AC90 - Guitar amplifier ROLAND - Free user manual and instructions

USER MANUAL AC90 ROLAND

Thank you, and congratulations on your choice of the Roland AC-90 Acoustic Chorus.

Before using this unit, carefully read the sections entitled:

• IMPORTANT SAFETY INSTRUCTIONS (page 2)
• USING THE UNIT SAFELY (page 3-4)
• IMPORTANT NOTES (page 5)

These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, Owner's manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference.

ATTENTION

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN

RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS

WARNING - When using electric products, basic precautions should always be followed, including the following:

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any of the ventilation openings. Install in accordance with the manufacturers instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

For the U.K.

IMPORTANT: THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE.

BLUE: NEUTRAL

BROWN: LIVE

As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.

The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

Under no circumstances must either of the above wires be connected to the earth terminal of a three pin plug.

USING THE UNIT SAFELY

INSTRUCTIONS FOR THE PREVENTION OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS

About WARNING and CAUTION Notices

▲WARNING	Used for instructions intended to alert the user to the risk of death or severe injury should the unit be used improperly.
▲CAUTION	Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly. * Material damage refers to damage or other adverse effects caused with respect to the home and all its furnishings, as well to domestic animals or pets.

About the Symbols

A	The △ symbol alerts the user to important instructions or warnings. The specific meaning of the symbol is determined by the design contained within the triangle. In the case of the symbol at left, it is used for general cautions, warnings, or alerts to danger.
B	The ⊙ symbol alerts the user to items that must never be carried out (are forbidden). The specific thing that must not be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the unit must never be disassembled.
C	The ● symbol alerts the user to things that must be carried out. The specific thing that must be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the power-cord plug must be unplugged from the outlet.

ALWAYS OBSERVE THE FOLLOWING

WARNING

• Before using this unit, make sure to read the instructions below, and the Owner's Manual.

• Do not open or perform any internal modifications on the unit.

• Do not attempt to repair the unit, or replace parts within it (except when this manual provides specific instructions directing you to do so). Refer all servicing to your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information" page.

• Never use or store the unit in places that are:

• Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat-generating equipment); or are

• Damp (e.g., baths, washrooms, on wet floors); or are
• Humid; or are
• Exposed to rain; or are
• Dusty; or are

• Subject to high levels of vibration.

• The unit should be connected to a power supply only of the type described in the operating instructions, or as marked on the rear side of unit.

• Do not excessively twist or bend the power cord, nor place heavy objects on it. Doing so can damage the cord, producing severed elements and short circuits. Damaged cords are fire and sh hazards!

WARNING

• This unit, either alone or in combination with an amplifier and headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level, or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should immediately stop using the unit, and consult an audiologist.

• Do not allow any objects (e.g., flammable material, coins, pins); or liquids of any kind (water, soft drinks, etc.) to penetrate the unit.

• Immediately turn the power off, remove the power cord from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information" page when:

• The power-supply cord or the plug has been damaged; or

• If smoke or unusual odor occurs
• Objects have fallen into, or liquid has been spilled onto the unit; or
• The unit has been exposed to rain (or otherwise has become wet); or

• The unit does not appear to operate normally or exhibits a marked change in performance.

• In households with small children, an adult should provide supervision until the child is capable of following all the rules essential for the safe operation of the unit.

• Protect the unit from strong impact. (Do not drop it!)

WARNING

• Do not force the unit's power-supply cord to share an outlet with an unreasonable number of other devices. Be especially careful when using extension cords—the total power used by all devices you have connected to the extension cord's outlet must never exceed the power rating (watts/amperes) for the extension cord. Excessive loads can cause the insulation on the cord to heat up and eventually melt through.

• Before using the unit in a foreign country, consult with your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the "Information" page.

• Do not put anything that contains water (e.g., flower vases) on this unit. Also, avoid the use of insecticides, perfumes, alcohol, nail polish, spray cans, etc., near the unit. Swiftly wipe away any liquid that spills on the unit using a dry, soft cloth.

CAUTION

• The unit should be located so that its location or position does not interfere with its proper ventilation.

• Always grasp only the plug on the power-supply cord when plugging into, or unplugging from an outlet.

• At regular intervals, you should unplug the power plug and clean it by using a dry cloth to wipe all dust and other accumulations away from its prongs. Also, disconnect the power plug from the power outlet whenever the unit is to remain unused for an extended period of time. Any accumulation of dust between the power plug and the power outlet can result in poor insulation and lead to fire.

• Try to prevent cords and cables from becoming entangled. Also, all cords and cables should be placed so they are out of the reach of children.

• Never climb on top of, nor place heavy objects on the unit.

• Never handle the power cord or its plug with wet hands when plugging into, or unplugging from, an outlet.

• Before moving the unit, disconnect the power plug from the outlet, and pull out all cords from external devices.

• Before cleaning the unit, turn off the power and unplug the power cord from the outlet.

• Whenever you suspect the possibility of lightning in your area, pull the plug on the power cord out of the outlet.

• Always turn the phantom power off when connecting any device other than condenser microphones that require phantom power. You risk causing damage if you mistakenly supply phantom power to dynamic microphones, audio playback devices, or other devices that don't require such power. Be sure to check the specifications of any microphone you intend to use by referring to the manual that came with it.

(This instrument's phantom power: 48 V DC, 10 mA Max)

IMPORTANT NOTES

In addition to the items listed under "IMPORTANT SAFETY INSTRUCTIONS" and "USING THE UNIT SAFELY" on pages 2 and 4, please read and observe the following:

Power Supply

• Do not connect this unit to same electrical outlet that is being used by an electrical appliance that is controlled by an inverter (such as a refrigerator, washing machine, microwave oven, or air conditioner), or that contains a motor. Depending on the way in which the electrical appliance is used, power supply noise may cause this unit to malfunction or may produce audible noise. If it is not practical to use a separate electrical outlet, connect a power supply noise filter between this unit and the electrical outlet.
• Before connecting this unit to other devices, turn off the power to all units. This will help prevent malfunctions and/or damage to speakers or other devices.
• Although the LEDs are switched off when the POWER switch is switched off, this does not mean that the unit has been completely disconnected from the source of power. If you need to turn off the power completely, first turn off the POWER switch, then unplug the power cord from the power outlet. For this reason, the outlet into which you choose to connect the power cord's plug should be one that is within easy reach and readily accessible.

Placement

• Using the unit near power amplifiers (or other equipment containing large power transformers) may induce hum. To alleviate the problem, change the orientation of this unit; or move it farther away from the source of interference.
• This device may interfere with radio and television reception. Do not use this device in the vicinity of such receivers.
• Noise may be produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing. Should you experience such problems, you should relocate such wireless devices so they are at a greater distance from this unit, or switch them off.
• Do not expose the unit to direct sunlight, place it near devices that radiate heat, leave it inside an enclosed vehicle, or otherwise subject it to temperature extremes. Also, do not allow lighting devices that normally are used while their light source is very close to the unit (such as a piano light), or powerful spotlights to shine upon the same area of the unit for extended periods of time. Excessive heat can deform or discolor the unit.
• When moved from one location to another where the temperature and/or humidity is very different, water droplets (condensation) may form inside the unit. Damage or malfunction may result if you attempt to use the unit in this condition. Therefore, before using the unit, you must allow it to stand for several hours, until the condensation has completely evaporated.
• Do not allow rubber, vinyl, or similar materials to remain on the unit for long periods of time. Such objects can discolor or otherwise harmfully affect the finish.
• Do not paste stickers, decals, or the like to this instrument. Peeling such matter off the instrument may damage the exterior finish.
• Depending on the material and temperature of the surface on which you place the unit, its rubber feet may discolor or mar the surface.

You can place a piece of felt or cloth under the rubber feet to prevent this from happening. If you do so, please make sure that the unit will not slip or move accidentally.

• Do not allow objects to remain on top of the unit while it is in operation.
• Do not sit or lean on top of the unit.

Maintenance

• For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth.
• Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.

Additional Precautions

• Use a reasonable amount of care when using the unit's buttons, sliders, or other controls; and when using its jacks and connectors. Rough handling can lead to malfunctions.
• When connecting / disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing shorts, or damage to the cable's internal elements.
• A small amount of heat will radiate from the unit during normal operation.
• To avoid disturbing your neighbors, try to keep the unit's volume at reasonable levels. You may prefer to use headphones, so you do not need to be concerned about those around you (especially when it is late at night).
• When you need to transport the unit, package it in the box (including padding) that it came in, if possible. Otherwise, you will need to use equivalent packaging materials.
• Some connection cables contain resistors. Do not use cables that incorporate resistors for connecting to this unit. The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable.
• To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections.
• This instrument is equipped with balanced XLR/TRS type jacks. Wiring diagrams for these jacks are shown below. Make connections after first checking the wiring diagrams of other equipment you intend to connect.

• Once the connections have been completed (p. 11), turn on power to your various devices in the order specified. By turning on devices in the wrong order, you risk causing malfunction and/or damage to speakers and other devices.

When powering up:

Turn on the power to the AC-90 last.

When powering down:

Turn off the power to the AC-90 first.

• Wrap the AC cord around the cord hook when trans-porting or storing the unit.

Contents

USING THE UNIT SAFELY 3

IMPORTANT NOTES 5

Contents. 6

English

Main Features. 7

Names of Things and What They Do 8

Control Panel. 8

Rear Panel. 12

Example of Using Two Channels Combined...14

How to Use the Folding Stand. 15

Using a Speaker Stand 16

Deutsch

Hauptmerkmale. 17

How to Use the Carrying Case. 77

Specifications 78

Main Features

The AC-90 is a high-performance monitor amp developed exclusively for use with acoustic instruments. It is capable of faithfully expressing all the harmonic richness of an acoustic instrument's sound.

Compact, High-Performance Stereo Amp

• The finely tuned design of the cabinet is meant to enhance the sound of acoustic instruments. Within this cabinet, there are two 8 inch woofers, two tweeters, and a 45W + 45W stereo amp—all of which were newly designed just for the AC-90. As a result, the unit is capable of delivering a more natural, acoustic instrument sound across a broad range of frequencies.
• Thanks to a power amp that was designed to be as light as possible, and the use of new materials for the woofers, an overall reduction in the weight of the unit has been achieved.

Features Two Independent Channels, GUITAR and MIC/LINE

Each channel includes a 3-band equalizer.
- GUITAR channel handles both piezo and magnetic pickups.
- The MIC/LINE channel offers phantom power, produced by highly reliable, dedicated 48V output phantom circuitry.
- Using the MIC/LINE channel for LINE input allows you to connect guitars with magnetic pickups. You can also use a piezo pickup (GUITAR channel) and a magnetic pickup (MIC/LINE channel) at the same time, and mix (blend) the sounds together.

High-Quality Digital Effects

• Three kinds of stereo chorus effects are provided. There is the spatially synthesized "SPACE" chorus, the "RICH" chorus (which is divided into frequency bands), and the "WIDE" chorus (which is also divided into frequency bands while offering even greater expansiveness).
• Includes stereo reverb developed especially for acoustic instruments. This allows you to add a sense of spaciousness and natural body to the sound.
• Equipped with delay effects that can produce sound with a tonal quality that is soft and tuned specifically for acoustic instruments.
• An optional foot switch can also be used to turn the effects on and off.

Anti-Feedback Suppresses Feedback

• Anti-feedback features two ways to detect the feedback point. You can use the "Manual settings," or you can use the "Auto settings," which provide for the automatic detection of the feedback point.
• You can connect an optional foot switch and use your foot to operate this feature.

Mute Function

• The provided Mute switch makes it easy for you to mute the sounds for the AC-90's own speakers as well as the sounds from LINE OUT. By using the Mute function, you can plug in and out noiselessly at the guitar. Furthermore, when you have a tuner connected to TUNER OUT, the Mute function lets you tune your instrument without outputting any sound.
• You can connect an optional foot switch and use your foot to turn this on and off.

External Input Jacks (AUX IN)

• Includes external input jacks, allowing you to connect a CD player, backing machine, or other device in stereo.
• These include both RCA phono jacks and 1 / 4'' phone jacks, making it possible to connect just about any kind of device.

Multiple Output Connectors

• Features DI Out, which allow you to directly output the signals input from connected instruments and mics. You can also connect a tuner. TRS balanced output is supported.
• Line outs feature 1 / 4'' phone mono-output jacks in addition to XLR connectors for stereo output. You can use a single AC-90 for all applications.
• It also features a Subwoofer Out. Connecting a powered subwoofer allows you to play with an even punchier, more powerful low end.
• The amp also provides a headphones jack, which you can use when playing during nighttime hours and when making sound checks.

Convenient Placement Features

• Equipped with a "folding stand," which allows you to change the angle of the amp when using it for monitoring purposes.
• Includes a "speaker stand adapter," which allows you to attach the AC-90 to a speaker stand. This makes using the AC-90 easier when you are performing standing up, and allows you to use the amp as a simple PA.
• Also included is a carrying case for greater portability.

Names of Things and What They Do

Control Panel

1. INPUT

(GUITAR CHANNEL)

Connect guitars here.

(MIC/LINE CHANNEL)

Connect mics and line-level devices here. You can also connect guitars with pickups equipped with preamps.

This handles balanced input, so you can connect 1/4'' phone TRS jacks and XLR-type connectors.

TRS

XLR

①: GND
(2): HOT
③:COLD

HINT

You can use the two channels in combination.

Refer to "Example of Using Two Channels Combined" (p. 14).

• Feedback could be produced depending on the location of microphones relative to speakers. This can be remedied by:

• Changing the orientation of the microphone(s).

• Relocating microphone(s) at a greater distance from speakers.
• Lowering volume levels.

2. PICKUP Button

This switches the input circuitry for either piezo or magnetic pickups, according to the type of pickup on the connected guitar. Press down the button for magnetic pickups.

• Set this to "MAGNETIC" if your guitar has an active pickup equipped with a preamp.

3. SHAPE Button

Setting this to ON modifies the midrange to create a bright tone suitable for strumming chords.

This emphasizes brushing sounds, allowing you to strum with a more edgy feeling.

4. PHANTOM Switch

This turns the phantom power on and off.

Set this to "ON" when connecting mics that require phantom power (condenser mic, etc.).

Set this to "OFF" when connecting mics that do not require phantom power or other devices.

• Use the following sequence when connecting mics that require phantom power:

• Turn the PHANTOM switch off.

• Connect the mic.

• Turn the PHANTOM switch on.

• Supplying phantom power to mics that do not require it or supplying it to other devices may cause such equipment to malfunction. Always be sure to turn the switch off before connecting.

• To protect the circuitry, all output is muted momentarily after the PHANTOM switch is turned on or off.
• Phantom power is supplied only to the XLR connectors for the MIC/LINE channel INPUT.
• Noise may be produced if connectors are connected or disconnected while the phantom power is turned on.

MEMO Phantom Power

Because they have a comparatively wider range and better sound quality than dynamic mics, condenser mics are often used for miking acoustic guitars. However, they require a power source to operate. Although some condenser mics run off batteries placed within the mic housing, in many cases a type of power supply known as "phantom power" is required. This power supply uses the existing mic cable to feed power.

The AC-90's phantom power is output at a constant 48V , so it conforms to professional specifications required at recording studios.

5. SELECT Button

This switches the input level to match that of the connected device (mic or line).

You can connect guitars with magnetic pickups when LINE is selected with the SELECT button.

• Note that the volume is increased if the switch is set to "MIC" when you have a line-level device connected.

6. VOLUME Knobs

(GUITAR CHANNEL)

Adjusts the volume of the GUITAR channel.

• To accommodate the lower output of piezo pickups, the volume level when the VOLUME knob is between the 7 and 10 positions is set somewhat higher when the PICKUP button is set to PIEZO in comparison with the MAGNETIC setting.

(MIC/LINE CHANNEL)

Adjusts the volume of the MIC/LINE channel.

• When using the AC-90 with the GUITAR channel and MIC/ LINE channel mixed, adjust the volume balance between the two channels with the VOLUME knob.

7. BASS Knobs

Adjust the level of the low-frequency range.

8. MIDDLE Knobs

Adjust the level of the midrange.

9. TREBLE Knobs

Adjust the level of the high-frequency range.

MEMO

The tone of an acoustic instrument can vary immensely from one instrument to the next. The kind of sound required also varies according to how an instrument is being used in a particular ensemble. Actively use the BASS, MIDDLE, and TREBLE knobs to adjust the tone to suit the instrument you are using and the conditions in which it is being used. (Example)

• When using the AC-90 with the speaker stand attached, you may want to turn up the BASS knob so the lower range is perceived better.
• If the sound seems too harsh, such as immediately after changing strings, you may want to turn down the TREBLE knob to cut back on the high frequencies.

10. CHORUS Buttons

Switch chorus on and off.

When on, the indicator is lit.

MEMO

You can use a foot switch (the optional BOSS FS-5U) to switch chorus on and off. Turning chorus on and off with the foot switch works on both channels.

11. CHORUS Knob

Turn this knob to select among the three types of chorus (SPACE, RICH, and WIDE).

You can adjust the amount of effect applied by changing the position of the knob.

• This is enabled when the CHORUS button is in the ON position.
• The markings indicating the SPACE and RICH positions are approximate. Listen to the sound to confirm the effect as you make adjustments.

SPACE

This is a spacially synthesized chorus. With spacially synthesized chorus, a method available only in stereo, the chorus effect is created by taking the sound from the right speaker (from which the effect sound is output), and the sound from the left speaker (which outputs the direct sound), and then mixing them in the actual space. This creates a greater lateral spread than that produced when the sounds are mixed electronically, providing a more natural sense of breadth.

RICH

This is a stereo chorus that is divided into three frequency ranges.

Here, the effect is separated into three bands, low-frequency, midrange, and high-frequency, and by applying the most suitable amount of chorus effect in each range, it provides a sense of fullness and breadth that is perfectly suited to the acoustic guitar.

The low end is firmly in the center, and sound spreads out more and more as the sound rises from the midrange up through the higher frequencies.

WIDE

While also relying on the division of sound into separate bands, this chorus offers even greater expansiveness than RICH.

The sound image spreads beyond the AC-90's speakers, producing an effect that seems to envelope the listener in sound.

12. REVERB/DELAY Knob

You can adjust this knob to switch between the reverb and delay effects.

You can adjust the amount of effect applied by changing the position of the knob.

• Turn the knob to "OFF" if you are not using the reverb or delay effect.
• The markings indicating the reverb and delay positions are approximate. Listen to the sound to confirm the effect as you make adjustments.

REVERB

This stereo reverb, developed especially for acoustic instruments, gives a sense of spaciousness and natural sonic quality.

Turn the knob to adjust the volume of the reverb effect.

DELAY

This delay, developed especially for acoustic instruments, adds soft reflections to the original sound.

Turn the knob to change the delay time.

• You can use a foot switch (the optional BOSS FS-5U) to switch the reverb and delay on and off.

13. FREQUENCY Knob

This selects the frequency at which the anti-feedback function operates.

Also, the position of the knob determines whether Auto or Manual settings are selected.

• Turn the knob to "OFF" if you are not using anti-feedback.

14. START Button

This is used for Auto settings (p. 11). Pressing the button performs automatic detection of feedback-whine frequencies. The indicators show the operating status of the automatic detection function.

Standby: Flashes slowly

During Detection: Flashes rapidly

After Detection: Remains lit

• Holding down the START button for one second or longer returns the unit to standby for automatic detection.

How to Use ANTI-FEEDBACK

Anti-feedback is a function that controls feedback that arises between the guitar or mic and the amp.

The feedback is suppressed by attenuating the frequency at which the feedback occurs.

• This is not designed to work with respect to the high-frequency feedback that can occur when using microphones.

Anti-feedback can be used in two different ways; you can make use of either the "Auto settings" or the "Manual settings."

• Use either when feedback whine occurs.

MEMO Feedback

This is a phenomenon whereby signals output from the speakers are picked up again by the mic or pickup, and the sound is further amplified and output from the speakers, resulting in an unpleasant oscillating sound.

• If the anti-feedback alone does not control the feedback, adjust your settings, for example by lowering the volume or cutting the low frequencies.
• To prevent feedback during a performance, we recommend making the anti-feedback setting before the performance.

Setting the Feedback Point Automatically

This automatically detects the frequency at which feedback occurs and suppresses feedback.

• Use in conditions where feedback occurs.

• Cause feedback whine to occur.

• Turn the FREQUENCY knob to the "AUTO" position.

The ANTI-FEEDBACK indicator flashes slowly, and automatic detection goes into standby.

1. Press the START button.

Automatic detection of the feedback point starts. The indicator flashes rapidly when detection is in progress, and when the feedback point is found, the indicator lights steadily. If no feedback point is detected, the indicator flashes slowly, and the automatic detection function returns to standby.
4. Press the START button once more to conduct the automatic detection again.

Setting the Feedback Point Manually

1. Cause feedback whine to occur.
2. Turn the knob, moving through the range of L through H (the ANTI-FEEDBACK indicator lights up) to search for the frequency at which the feedback is to be suppressed.

Turning the knob clockwise suppresses progressively more treble feedback, and turning it counterclockwise suppresses progressively more bass feedback.

MEMO

You can use a foot switch (the optional BOSS FS-5U, FS-6) to run automatic detection of the feedback frequency or to turn the anti-feedback function on and off.

HINT

You can use anti-feedback even when feedback is not a problem. For example, you can use it to remove undesirable resonance in the low to midrange, as well as correct other problems with the sound quality.

15. MUTE Button

This switches the Mute function on and off.

When you press the button, the MUTE indicator flashes, muting is turned on, and the speaker output and sounds from SUB WOOFER OUT and LINE OUT are muted.

With the mute function activated, you do not need to turn down the VOLUME knob or MASTER knob to mute the noise when plugging into, or unplugging from your guitar.

• Sounds from the DI OUT/TUNER OUT and PHONES jacks are not muted.

HINT

By connecting a tuner (optional) to DI OUT/TUNER OUT and then pressing the MUTE button, you can tune your instrument without the sound being output from the speakers.

MEMO

You can use a foot switch (optional BOSS FS-5U or FS-6) to switch muting on and off. (p. 13)

16. MASTER Knob

Adjusts the overall volume level.

• LINE OUT cannot be adjusted.

17. PHONES Jack

Headphones are connected here. No sounds are output from the speakers or from SUB WOOFER OUT when headphones are connected.

18. POWER Switch

This turns the AC-90's power on and off.

The POWER indicator lights up when the power is on.

• If you need to turn off the power completely, first turn off the POWER switch, then unplug the power cord from the power outlet. Refer to Power Supply (p. 5)
• Due to a circuitry protection feature, this unit requires a few moments after it has been turned on before it is ready for normal operation.
• Always make sure to have the volume level turned down before switching on power. Even with the volume all the way down, you may still hear some sound when the power is switched on, but this is normal, and does not indicate a malfunction.

Rear Panel

* When connection cables with resistors are used, the volume level of equipment connected to the inputs may be low. If this happens, use connection cables that do not contain resistors.

1. LINE OUT Jacks

You can connect a mixer, recording device, or other device here. The output level is +4 dBu.

Included here are XLR connectors (L/R: stereo output) and a 1/4'' phone jack (mono output).

(1): GND
(2): HOT
(3): COLD

• You cannot adjust the volume for LINE OUT with the MASTER knob.
• The chorus effects are designed so they exhibit the greatest effectiveness when you use the unit's built-in speakers. Effectiveness may differ when LINE OUT is used instead of the built-in speakers.

2. SUB WOOFER OUT Jack

You can connect a powered subwoofer to play back sounds with an even punchier, more powerful low end.

The volume is adjusted with the MASTER knob.

3. AUX IN Jacks

You can connect a CD player, drum machine, or other device and play back sounds in stereo. Both RCA phono jacks and 1/4'' phone jacks are provided. When connected to only the left 1/4'' phone jack, playback is in mono.

Although the input from AUX IN is output from the speakers, PHONES, and SUB WOOFER OUT, it is not output from LINE OUT. The volume is adjusted with the MASTER knob, and muting on/off for these sounds is controlled with

the MUTE button.

If devices are connected to both the RCA phono jacks and the 1/4'' phone jacks, the two inputs are mixed.

4. DI OUT/TUNER OUT Jack

The direct sound of the device or instrument connected to the GUITAR or MIC/LINE channel is output here. This is a 1/4'' phone TRS jack with balanced output.

You can also use this jack to connect a tuner.

• If balanced output is not required, use a 1/4'' phone (mono) plug to connect to this jack.

HINT

If balanced output is not required, you can use the special connection cable (the optional PCS-31) to use the DI OUT and TUNER OUT simultaneously.

NOTE

A phase-inverted signal is output from the COLD side (the red side of the PCS-31). Connect the recording device to the HOT side (the white side of the PCS-31)

5. FOOT SW Jacks

The AC-90 accepts the BOSS FS-5L (latch type), BOSS FS-5U (momentary type), and BOSS FS-6 foot switch pedals.

• Set the polarity switch as shown below.

(MUTE, ANTI-FEEDBACK)

Connecting a foot switch pedal (optional BOSS FS-5L, FS-5U, or FS-6) using a connection cable (the optional PCS-31) makes it possible to use a latch-type foot switch (the FS-5L or FS-6) to switch muting on and off, or to use a momentary-type foot switch (the FS-5U or FS-6) to control the anti-feedback feature.

• For information on the settings for the FS-6, refer to the owner's manual for the FS-6.

When a 1/4'' phone (mono) plug is used to connect only one foot switch, only the Mute on/off function is enabled. In such cases, you should use a latch-type foot switch pedal (such as the BOSS FS-5L)

• The MUTE button should be set to off when a foot switch is connected for muting.

You cannot switch the muting off by pressing the foot switch when the MUTE button is on (when the MUTE indicator is lit).

• When using an FS-5U (momentary type) to switch mating on and off, the mating is switched on only while the switch is held down.

For anti-feedback, a foot switch will function as follows:

• When the FREQUENCY knob is positioned in the range from L to H, the switch turns the anti-feedback function on and off.
• When the FREQUENCY knob is positioned at AUTO, the switch functions as the START switch for the automatic detection. Holding the foot switch down for one second or longer returns the automatic detection function to standby mode.

(CHORUS, DELAY/REVERB)

Using a special connection cable (the optional PCS-31) to connect two foot switches (the optional BOSS FS-5U), you can use one FS-5U to switch the chorus on and off, and use the other FS-5U to switch the delay or reverb on and off.

When a 1/4'' phone (mono) plug is used to connect only one foot switch, only the chorus on/off function is enabled.

• The chorus on/off function works on both channels.
• You cannot switch the chorus on and off by pressing the foot switch when the CHORUS button is off.

Example of Using Two Channels Combined

When Using a Mic and a Pickup

GUITAR CHANNEL:

Piezo or Magnetic Pickup

MIC/LINE CHANNEL:

Condenser or Dynamic mic (SELECT button = MIC)

This allows you to blend the fat midrange of the pickup with the mic's delicate high end.

Set the PHANTOM switch to ON if using a condenser mic.

Condenser mic or Dynamic mic

When Using Two Guitars

GUITAR CHANNEL:

Guitar 1 Piezo or Magnetic Pickup

MIC/LINE CHANNEL:

Guitar 2 Magnetic Pickup (SELECT button = LINE)

You can switch guitars without having to readjust the volume and tone.

When Using One Guitar with Two Types of Pickups

GUITAR CHANNEL:

PiezoPickup (PICKUP button = PIEZO)

MIC/LINE CHANNEL:

Magnetic Pickup (SELECT button = LINE)

You can balance the volume levels using each channel's

VOLUME knob, and adjust the tone for each pickup to attain the

optimal sound with the equalizer (BASS/MIDDLE/TREBLE)

knobs.

How to Use the Folding Stand

When using the AC-90 on floors, or in other low-lying positions, then setting up and using the folding stand can make it easier to hear the sound from the speakers.

NOTE

• When using the folding stand, always be sure to place it so the AC-90 remains level.
• When not using the folding stand, fold it up.

WARNING

• Never lift up and carry the AC-90 by holding the folding stand.
• Never place any objects on top of the AC-90 when using the folding stand. Also, never sit or lean on the folding stand.
• When folding the folding stand, be careful not to pinch your fingers.

Using a Speaker Stand

By using a speaker stand, you can mount the AC-90 at the optimal height for use as a monitor speaker or simple PA device.

WARNING

• The AC-90 is designed to be used only with speaker stands whose dimensions meet the specifications described below.

Do not use it with a speaker stand that does not meet the following specifications.

• Before use, adjust the speaker stand to a height of 140cm (55 - 1 / 8^ ) or less and a leg spread of 120cm (47 - 1 / 4^ ) or more, as shown in the figure below.

• Using a speaker stand that does not meet the specifications at left or that is adjusted to a height over 140cm (55 - 1 / 8^ ) , or a leg spread of less than 120cm (47 - 1 / 4^ ) may result in damage to equipment or injury due to the stand tipping over.
• When using the AC-90 with a speaker stand, the speaker stand must be carefully placed so it is level and sure to remain stable.
• Cables connected to the AC-90 should be given enough slack to prevent accidents that might result from someone tripping over them.
• To prevent accidents due to falls, do not place any object on the AC-90 when it's mounted on a speaker stand.
• Always have at least one other person assist you when mounting the AC-90 on a speaker stand, or when adjusting the height of the stand while the AC-90 remains mounted on it.

Hauptmerkmale

2. Buchse SUB WOOFER OUT

2. Prise SUB WOOFER OUT

Pickup piezo (bouton PICKUP = PIEZO)

MIC/LINE CHANNEL :

Pickup magnétique (bouton SELECT = LINE)

2. Jack SUB WOOFER OUT

2. Conector SUB WOOFER OUT

5. Conectores FOOT SW

2. Plugue SUB WOOFER OUT

How to Use the Carrying Case

When you store the AC-90 in the carrying case, put the plug of the AC cord in the side pocket.

Specifications

Rated Power Output

45W + 45W

Nominal Input Level (1 kHz)

GUITAR Channel: -10 dBu

MIC/LINE Channel: -50 / -10 dBu

AUX IN: -10 dBu

Nominal Output Level (1 kHz)

DI/TUNER OUT: +4 dBu

LINE OUT: +4 dBu

SUB WOOFER OUT: +4 dBu

• 0 dBu = 0.775 Vrms

Speakers

Woofer 20cm (8 inches) × 2

Tweeter 8cm× 5cm (3 inches × 2 inches) × 2

Controls

(GUITAR Channel)

PICKUP Switch (PIEZO/MAGNETIC)

SHAPE Switch

VOLUME Knob

Equalizer Knobs (BASS, MIDDLE, TREBLE)

CHORUS Switch

(MIC/LINE Channel)

PHANTOM Switch

SELECT Switch (MIC/LINE)

VOLUME Knob

Equalizer Knobs (BASS, MIDDLE, TREBLE)

CHORUS Switch

CHORUS Knob

REVERB/DELAY Knob

(ANTI-FEEDBACK)

FREQUENCY Knob

START Button

MUTE Switch

MASTER Knob

POWER Switch

Indicator

CHORUS (GUITAR Channel, MIC/LINE Channel)

ANTI-FEEDBACK

MUTE

POWER

Connectors

GUITAR Channel Input Jack (1/4" phone type)

MIC/LINE Input Jack (XLR type, 1/4'' phone type)

AUX IN Jacks (RCA phono type,1/4" phone type)

DI/TUNER OUT Jack (1/4" TRS phone type)

LINE OUT Jacks (XLR type, 1/4'' phone type)

SUB WOOFER OUT Jack (1 / 4^ phone type)

PHONES Jack (1/4" TRS phone type)

FOOT SWITCH Jack (1/4" TRS phone type)

Power Supply

AC 117 V, AC 230 V, AC 240 V (50/60 Hz)

Power Consumption

30 W

Dimensions

Foot Switch: BOSS FS-5L (Mute On/Off), BOSS FS-5U, FS-6

Connection Cable: PCS-31

This symbol indicates that in EU countries, this product must be collected separately from household waste, as defined in each region. Products bearing this symbol must not be discarded together with household waste.
DE Dieses Symbol bedeutet, dass这点 Product in EU-Ländern getrennt vom Hausmull gesammelt werden muss gemäß den regionalen Bestimmungen. Mit这点em Symbol gekennzeichnete Produkte)dürfen nicht zusammen mit den Hausmull entsorgt werden.
FR Ce symbole indique que dans les pays de l'Union europeenne, ce produit doit etre collecte separement des ordures menageries selon les directives en vigueur dans chacun de ces pays. Les produits portant ce symbole ne doit pas etre mis au rebut avec les ordures menageries.
Questo significato indica che nei paesi della Comunità europea questo prodotto delve èssere smaltito separatamente dai normali rifiuti domestici, secondo la legalità in vigore in ciascun paese. I prodotti che riportano questo significato non devono essere smaltiti insieme ai rifiuti domestici. Ai sensi dell'art. 13 del D.Lgs. 25 luglio 2005 n. 151.
Es Este symbolo indica que en los payses de la Unión Europea este producto debe recogerse aparte de los residuos domesticos, tal como este regulado en cada zona. Los productos con este symbolo no se deben depositar con los residuos domesticos.
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NL Dit symbool geeft aan dat in landen van de EU dit product geschaden van huishoudelijk afval moort worden aangeboden, zoals bepaal per gemeente of regio. Producten die van dit symbool vrijn voorzien, mogen Niet samen met huishoudelijk afval worden verwijderd.
DK Dette symbol angiver, at i EU-lande skal dette produit opsamples adskilt fra husholdningsaffald, som defineret i hvter enkelt region. Produkter med dette symbol mä ikke smides udammen med husholdningsaffald.
Dette symbolet indikerer at produit mag behandles som spesialavfall i EU-land, iht. til retningslinjer for den enkelte regionen, og ikke kastesammen med vanlig husholdningsavfall. Produktor som er merket med dette symbolet, mag ikke kastesammen med vanlig husholdningsavfall.

For EU Countries

SE Symbolen anger att i EU-länder måste den harprodukten kasseras separat frän hushällsaVFall, i enliget med varje regions bestammelse. Produktter med den har symbolen fär inte kasseras tillsammans med hushällsaVFall.
Täm ermarkinta ilmaisee,että tuote on EU-maissa kerattävérilläan kotitialusjatteista kunkin alueen voimassa olevien märäysten mukaisesti. Talla merkinnäla varustettuja tuotteita ei saa havittäa kotitialusjatteiden mukana.
Hu Ez a szimbolum azt jelenti, hogy az Europai Unioban ezt a termeket a hāztartāsi hulladétól elkūlòniţe, az adott regioban érvényes szabáryozás szerint kell gyüjteni. Az ezzal a szimbolumm al ellattom termekeket nem szabad a hāztartāsi hulladék koze dobni.
PL Symbol oznacza, ze zgodnie z regulacjami w odpowiednim regionie, w krajach UE produktu nie nalezy wyrzucac z odpadami domowymi. Produktow opatrzonych tym symbolem nie mayna utlylizowac razem z odpadami domowymi.
Tento symbol udáva, zé v zemich EU muisbyt tento vyrobek sbirán oddělené od domácico odpadu, jak je určeno pro kázdy region. Vyrobky nesouci tento symbol sesníy hyvazovat spolu s domácim odypadem.
SK Tento symbol vyjadruje, ze v krajinach EU sa musi zber tohto produktu vykonava' oddelene od domoveho opdau, pod' a nariadeni platnych v konkrenej krajine. Produktys tymto symbolom sa nesm'u vyhadzovat' spolu s domovym opadom.
See sümbnātāb, et EL-ia madaes tuleb see toode olemprugist eraldi koguda, nii nagu on igas pirkonnas māaratletud. Selle sümboliga margitud totoed i tohi āra visata koos olmeprugica.
LT Sis simbolis rodo, kad ES salyse sis produktas turi buti surenkamas atskirai nuo buitini attieku, kaip nustatyta kiekviename regione. Siuo simboliu pazenklinti produktai neturi buti ismetami kartu su buitinemis attlekomis.
Sis symbols norada, ka ES valstis so produktu jaievac atseviski no majsaimmiecbas atkritiumem, ka noteikts katra regionala. Produktus ar so simbolu nedrifik izmest kopar a质量和miecibas atkritiumem.
Ta symbol označuje, da je treba proizvod v državah EU zbirati ločeno od gospodinjskih odpadkov, takoto kjet do loločeno v vsaki regiji. Proizvod s tem znakom ni dovoljeno odlagatni skupaj z gospodinjskimi odpadki.
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For EU Countries

This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC.

For the USA

FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.

Unauthorized changes or modification to this system can void the users authority to operate this equipment.

This equipment requires shielded interface cables in order to meet FCC class B Limit.

For Canada

NOTICE

This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

AVIS

Al Fanny Trading Office 9, EBN Hagar Al Askalany Street,

ARD El Golf, Heliopolis, Cairo 11341, EGYPT
TFI: 20-2-417-1828

REUNION

Maison FO - YAM Marcel
25 Rue Jules Hermann,
Chaudron - BP79 97 491
St Clotilde Cedex,
REUNION ISLAND
TEL: [phone]

SOUTH AFRICA

T.O.M.S. Sound & Music
(Pty)Ltd.
2 ASTRON ROAD DENVER
JOHANNESBURG ZA 2195, SOUTH AFRICA
TEL: [phone]

Paul Bothner(PTY)Ltd.
Royal Cape Park, Unit 24
Londonderry Road, Ottery 7800
Cape Town, SOUTH AFRICA
TEL: [phone]

ASIA

CHINA

Roland Shanghai Electronics Co., Ltd.
5F. No.1500 Pingliang Road
Shanghai 200090, CHINA
TEL: [phone]

Roland Shanghai Electronics Co.,Ltd. (BEIJING OFFICE) 10F.No.183 Section Anhuaxil Chaoyang District Beijing 100011 CHINA TEL:[phone]

HONG KONG

Tom Lee Music Co., Ltd.
Service Division
22-32 Pun Shan Street, Tsuen Wan, New Territories, HONG KONG
TEL: [phone]

Parsons Music Ltd.
8th Floor, Railway Plaza, 39 Chatham Road South, T.S.T, Kowloon, HONG KONG
TEL: [phone]

INDIA

Rivera Digitec (India) Pvt. Ltd. 411, Nirman Kendra Mahalaxmi Flats Compound Off. Dr. Edwin Moses Road, Mumbai-400011, INDIA TEL: [phone]

INDONESIA

PT Citta IntiRama
JL. Cideng Timur No. 15J-15O
Jakarta Fusat
INDONESIA
TEL: [phone]

KOREA

Cosmos Corporation
1461-9, Seocho-Dong, Seocho Ku, Seoul, KOREA
TEL: [phone]

MALAYSIA

Roland Asia Pacific Sdn. Bhd. 45-1, Block C2, Jalan PJU 1/39, Dataran Prima, 47301 Petaling Jaya, Selangor, MALAYSIA TEL: [phone]

VIET NAM

Suoi Nac Company, Ltd
3700 Chang Mang Thang Tam St. Dist.3, Ho Chi Minh City, VIET NAM
TEL: [phone]

PHILIPPINES

G.A. Yupangco & Co. Inc. 339 Gil J. Puyat Avenue Makati, Metro Manila 1200, PHILIPPINES
TEL: [phone]

SINGAPORE

SWEE LEE MUSIC

COMPANY PTE. LTD.

150 Sims Drive,

SINGAPORE 387381

TEL: [phone]

TAIWAN

ROLAND TAIWAN
ENTERPRISE CO., LTD.
Room 5, 9fL. No. 112 Chung
Shan N. Road Sec.2, Taipei,
TAIWAN, R.O.C.
TEL: [phone]

THAILAND

Theera Music Co., Ltd.
330 Sai Vernk Nornak Sem,
New Road, Sumpantawongse,
Bangkok 10100, THAILAND
TEL: [phone]

AUSTRALIA/ NEW ZEALAND

AUSTRALIA/ NEW ZEALAND

Roland Corporation Australia Pty.,Ltd. 38 Campbell Avenue Dee Why West.NSW 2099 AUSTRALIA

For Australia
Tel: (02) 9982
For New Zea
Tel: (09) 3098

CENTRAL/LATIN AMERICA

ARGENTINA

Instrumentos Musicales S.A.
Av.Santa Fe 2055
(1123) Buenos Aires
ARGENTINA
TEL: [phone]

BARBADOS

A&B Music Supplies LTD
12 Webster Industrial Park
Wildley, St. Michael, Barbados
TEL: [phone]

BRAZIL

Roland Brasil Ltda.
Rua San Jose, 780 Sala B
Parque Industrial San Jose
Cota - São Paulo - SP, BRAZIL
TEL: [phone]

CHILE

Comercial Fancy II S.A.
Rut.: 96.919.420-1
Nataniel Cox #739, 4th Floor
Santiago - Centro, CHILE
TEF: [phone]

COLOMBIA

Centro Musical Ltda.
Cra 43 B No 25 A 41 Bododega 9
Medellin, Colombia
TEL: [phone]

COSTA RICA

JUAN Bansbach Instrumentos
Musicales
Ave.1. Calle 11, Apartado
10237,
San Jose, COSTA RICA
TEL: [phone]

CURACAO

Zeelandia Music Center Inc.
Orionweg 30
Curacao, Netherland Antilles
TEL: [phone]

DOMINICAN REPUBLIC

Instruments Fernando Giraldez
Calle Proyecto Central No.3
Ens.La Esperilla
Santo Domingo, Dominican Republic
TEL: [phone]

ECUADOR

Mas Musika Rumichaca 822 y Zaruma Guayaquil - Ecuador TEL:[phone]

EL SALVADOR

OMNI MUSIC
75 Avenida Norte y Final
Alameda Juan Pablo II,
Edificio No.4010 San Salvador,
EL SALVADOR
TEL: [phone]

GUATEMALA

Casa Instrumental
Calzada Roosevelt 34-01, zona 11
Ciudad de Guatemala
Guatemala
TEL: [phone]

HONDURAS

Almacen Pajaro Azul S.A. de C.V.
BO.Paz Barahona
3 Ave.11 Calle S.O
San Pedro Sula, Honduras
TEL: [phone]

MARTINIQUE

Roland (U.K.) Ltd.
Atlantic Close, Swansea
Enterprise Park, SWANSEA
SA7 9F,
UNITED KINGDOM
TEL: [phone]

MIDDLE EAST

BAHRAIN

Moon Stores
No.1231&1249 Rumaytha
Building Road 3931, Manama 339 BAHRAIN
TEL: [phone]
IRAN
MOCO INC.
No.41 Nike St., Dr.Shariyati Av
Roberoye Cerahe Mirdamad
Tehran, IRAN
TEL: [phone]

ISRAEL

Halilit P. Greenspoon & Sons Ltd.
8 Retzif Ha'alia Hashnia St.
Tel-Aviv-Yafo ISRAEL
TEL: [phone]

JORDAN

MUSIC HOUSE CO. LTD.
FREDDY FOR MUSIC
P. O. Box 922846
Amman 11192 JORDAN
TEL: [phone]

KUWAIT

EASA HUSAIN AL-YOUSIFI & SONS CO. Abdullah Salem Street, Safat, KUWAIT TEL:[phone]

LEBANON

Chahine S.A.L.
George Zeidan St., Chahine
Bldg., Achrafieh, P.O.Box: 16-5857
Beirut, LEBANON
TEL: [phone]

OMAN

TALENTZ CENTRE L.L.C.
Malatan House No.1
Al Noor Street, Ruwi
SULTANATE OF OMAN
TEL: [phone]

QATAR

Al Emadi Co. (Badie Studio & Stores) P.O.Box 62, Doha, QATAR TEL:[phone]

SAUDI ARABIA

aDawlaiah Universal Electronics APL Corniche Road, Aldossary Bldg., 1st Floor, Alkohbar, 31952 SAUDI ARABIA

P.O.Box 2154,Alkhobar 31952 SAUDI ARABIA TEL: [phone]

SYRIA

Technical Light & Sound Center
Rawda, Abdul Qader Jazairi St.
Bldg. No. 21, P.O.BOX 13520, Damascus, SYRIA
TEL: [phone]

TURKEY

ZUHAL DIS TICARET A.S.
Galipe Dede Cad. No.37
Beyoglu - Istanbul / TURKEY
TEL: [phone]

U.A.E.

Zak Electronics & Musical Instruments Co. L.L.C.
Zabeel Road, Al Sheroq Bldg., No. 14, Ground Floor, Dubai, U.A.E.
TEL: [phone]

NORTH AMERICA

CANADA

Roland Canada Ltd.
(Head Office)
5480 Parkwood Way
Richmond B.C., V6V 2M4
CANADA
TEL: [phone]

Roland Canada Ltd. (Toronto Office)
170 Admiral Bouleva, Mississauga On LST CANADA
TEL: [phone]

U.S.A.

Roland Corporation U.S. 5100 S. Eastern Avenue Los Angeles, CA 90040-2938, U.S.A.
TEL: [phone]