CB-20XL - Sound Amplifier ROLAND - Free user manual and instructions

Product type	Bass amplifier
Brand	ROLAND
Model	CB-20XL (CUBE-20XL BASS)
Output power	20 W (reducible to 2 W with Power Squeezer)
Speaker	20 cm (8 inches)
Technologies	FFP (Feed Forward Processing), COSM (Composite Object Sound Modeling)
COSM amplifier types	SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810
Built-in effects	COMP/DRIVE, SHAPE, CHORUS, SOLO, POLY OCTAVE, DELAY, REVERB
Additional functions	Chromatic and manual tuner, Power Squeezer, AUX IN input, RECORDING OUT/PHONES output, footswitch (optional)
Power supply	AC adapter (power cord included)
Care and cleaning	Soft, dry cloth; for stubborn dirt, cloth slightly dampened with water and mild non-abrasive detergent; do not use gasoline, thinners, alcohol or solvents
Safety	Do not open the device, do not modify, avoid liquids and foreign objects, follow warnings in the manual
Spare parts and repairability	For any repairs or replacement, contact the dealer, Roland service center or authorized distributor
Optional accessories	BOSS FS-5U or FS-6 footswitch

Frequently Asked Questions - CB-20XL ROLAND

How do I tune my bass with the CB-20XL?

Press the [TUNER] switch to activate the tuner. Use the Type switch to select the string to tune (5B, 4E, 3A, 2D, 1G or Ab). Play the open string and tune it until the green indicator lights up. Press [TUNER] again to exit. You can also hold [TUNER] for one second to switch to chromatic mode.

What are the six COSM amplifier types available?

The six types are: SUPER FLAT (original wide-band sound), FLIP TOP (Ampeg B-15 modeling), B MAN (Fender Bassman 100 modeling), BASS360 (Acoustique 360 modeling), SESSION (SWR SM-400 + Goliath + Big Ben modeling), and CONCERT 810 (Ampeg SVT + 810E modeling).

How to use the Power Squeezer function?

Activate the [POWER SQUEEZER] switch (its indicator turns red) to reduce the output power to 2 W. This allows you to get a balanced, high-quality sound at low volume, ideal for home use. This function only affects the sound from the BASS INPUT.

Can I connect headphones to the CB-20XL?

Yes, plug headphones into the RECORDING OUT/PHONES jack. The speaker sound is then muted. Use a 1/4' mono phone plug.

How to connect a CD player or smartphone to play along?

Connect your CD player or smartphone to the AUX IN jack (stereo mini-jack). Adjust the volume on the connected device. Use a cable without resistance to avoid level drop.

How to use a footswitch with the amplifier?

Connect a BOSS FS-5U or FS-6 footswitch (optional) to the FOOT SW jack. Use a TRS cable to turn EFX/SOLO (tip) and COMP/DRIVE (ring) on/off. With a mono cable, only EFX/SOLO is controlled.

What to do if the amplifier does not turn on?

Check that the power cord is properly connected and the outlet works. If the problem persists, contact your dealer or a Roland service center. Do not attempt to repair the device yourself.

How to clean the amplifier?

Use a soft, dry cloth. For stubborn stains, slightly dampen the cloth with water and a mild non-abrasive detergent, then wipe. Never use solvents like alcohol, gasoline or thinner.

What is the difference between the CHORUS, SOLO and POLY OCTAVE effects?

CHORUS adds a slight detuning to widen the sound. SOLO applies a 'boost' effect to increase volume and contour. POLY OCTAVE adds a sound one octave below while allowing chords to be played.

Where can I find spare parts or have my CB-20XL repaired?

For any repair or part, contact your dealer, the nearest Roland service center or an authorized distributor. Contact information is in the manual (Information page). Do not disassemble the device.

USER MANUAL CB-20XL ROLAND

Bass Amplifier CB-20XL

Owner's Manual

Bedienungsanleitung

Mode d'emploi

Manuale dell'utente

Manual del usuario

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. Unplug this apparatus during lightning storms or when unused for long periods of time.
13. 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.

Owner's Manual

Bass Amplifier CB-20XL

20-watt output, high-performance, DSP bass amp with built-in 20 cm (8-inch) speaker

• Compact size that's perfect for anything from at-home practice to rehearsing in the studio, and is conveniently portable.
• Thanks to Roland's proprietary FFP technology, this unit is able to deliver a sound that's a lot more powerful than you'd expect, given its small size.

FFP (Feed Forward Processing) is system control technology that optimizes the performance of the amp, speakers, and cabinet characteristics according to the signals being input, based on the results of analyses of the operation and behavior of each section of existing amp systems.

Six different COSM Amp Types (p. 4)

• In addition to the original SUPER FLAT amp type, the unit also offers FLIP TOP, B MAN, BASS360, SESSION, and CONCERT 810, for a total of six different types of amps, giving you sounds for a broad range of styles.

Composite Object Sound Modeling (COSM) is Roland's innovative and powerful sound modeling technology. COSM analyzes the many factors that make up the original sound, such as the electrical and physical characteristics of the original, and then produces a digital model that can reproduce the same sound.

Effects include COMP/DRIVE, EFX/SOLO and an independent DELAY/REVERB (p. 5)

• Onboard EFX section includes CHORUS and POLY OCTAVE.
• Foot switch (optional) can be used to switch EFX/SOLO and COMP/DRIVE on and off (p. 5).

Power Squeezer function (p. 6)

This allows you to obtain a good tonal balance even at low volume, letting you enjoy powerful sound even when you're at home.

A tuning function is included (p. 8)

• This feature allows you to tune your bass while the instrument is connected to the CUBE-20XL BASS.

Equipped with an AUX IN jack, which is convenient for your practice sessions (p. 6)

• Use this to play along with sounds from CD players and digital audio players.

Before using this unit, carefully read the sections entitled: "IMPORTANT SAFETY INSTRUCTIONS" (inside front cover), "USING THE UNIT SAFELY" (p. 2), and "IMPORTANT NOTES" (p. 3). 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.

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

!	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.
®	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.
✔	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

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 install the unit in any of the following locations.

• 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
• Exposed to steam or smoke; or are
• Subject to salt exposure; or are
• Humid; or are
• Exposed to rain; or are
• Dusty or sandy; or are
• Subject to high levels of vibration and shakiness.

Make sure you always have the unit placed so it is level and sure to remain stable. Never place it on stands that could wobble, or on inclined surfaces.

The unit should be connected to a power supply only of the type described 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 shock hazards!

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 place containers containing liquid on this product. Never allow foreign objects (e.g., flammable objects, coins, wires) or liquids (e.g., water or juice) to enter this product. Doing so may cause short circuits, faulty operation, or other malfunctions.

WARNING

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!)

A small amount of heat will radiate from the unit during normal operation. Do not use the unit in an area with less than the air space shown below.

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.

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 (p. 7).

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

The cooling vents on the rear side of the unit may become hot, so take care to avoid burns.

Do not remove the speaker grille and speaker by any means. Speaker not user replaceable. Shock hazardous voltages and currents are present inside the enclosure.

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 this 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 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.

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.
• 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.
• Wrap the power cord around the cord hook when transporting or storing the unit.

Trademarks

• The product names mentioned in this document are trademarks or registered trademarks of their respective owners. In this manual, these names are used because it is the most practical way of describing the sounds that are simulated using COSM technology.

Control Panel

1. BASS INPUT Jack

Connect your bass here.

1. [COMP/DRIVE] Knob

Turn this knob to COMP or DRIVE to switch to that effect. Turn the knob to adjust the amount of effect applied.

Knob Position	Description
COMP	This effect evens out the input signal levels, thus evening out the sound. Turning the knob to the right increases the compression effect.
DRIVE	This effect adds distortion to the sound. Turning the knob to the right increases the distortion.

The COMP/DRIVE indicator lights up when Compression or Drive is on, and goes out when turned off.

You can also turn COMP/DRIVE on and off using optional foot switches.

1. [SHAPE] Switch

This effect alters the COSM amps' tonal characteristics. The particular effect obtained varies according to the amp selected with the Type switch (5).

1. [TUNER] Switch

Use this when you want to tune your bass When you turn on the switch, it will light red, and you'll be able to use the Tuner function.

For more detailed information, refer to "Using the Tuner Function" (p. 8).

COSM AMPLIFIER

1. Type Switch

You can select from the following six types.

When the tuner function is on, you can use this to select the name of the string to be tuned (p. 8).

Type	Description
SUPER FLAT	An original amp featuring a wide-range frequency response. This amp type provides faithful reproduction of the connected bass's own sound. This is a great type for all kinds of connected instrument. [SHAPE] Switch: ON This produces a mild tone with a fat midrange, providing a sound that is perfect for fretless basses, including fretless electric and wood acoustic basses.
FLIP TOP	Models the Ampeg B-15 (1 x 15"). This amp provided the underpinning for many of the most famous Motown hits. It features a fat sound, while the amp's compact cabinet produces a distinct contour. [SHAPE] Switch: ON Offers more nuances of your picking expression.
B MAN	Models the Fender Bassman 100 (4 x 12"). This amp has been a favorite since the inception of electric basses. It features the sonic characteristics of tube amps, whereby increasing the distortion slightly yields a fatter sound. [SHAPE] Switch: ON Offers a tone with boosted midrange fatness.
BASS360	Models the acoustic 360 (1 x 18"). This amp was used in the '70s not only by jazz bassists, but by funk and hard rock players as well. The tone features a warm low end with a midrange that maintains a clear contour, even with finger picking. [SHAPE] Switch: ON Offers more nuances of your picking expression.
SESSION	Models the SWR SM-400 + Goliath (4 x 10") + Big Ben (1 x 18"). This tweeter-equipped amp is representative of the "L.A. Sound" of the '80s. It features a wide-range tone that balances presence in the low end with a clear, open sound. [SHAPE] Switch: ON Offers a tight tone with a cut midrange.
CONCERT 810	Models the Ampeg SVT + 810E (8 x 10"). This amp typifies the rock sound that relied heavily on combinations of high-output tube amp sections and large-sized cabinets. The characteristic sound is one of overwhelming low-frequency sound pressure. [SHAPE] Switch: ON Offers extra heavy bottom sound.

6. [GAIN] Knob

This adjusts the preamp section's input level.

Turning the knob to the right increases the gain.

HINT

• Adjust the knob until the value is as high as you can get it without causing the sound to distort.
• Using a high gain setting allows you to get an overdrive sound.

7. [VOLUME] Knob

Adjusts the overall volume.

EQUALIZER

8. [BASS] Knob

Adjusts the tone quality of the lower range.

9. [MIDDLE] Knob

Adjusts the tone quality of the midrange.

10. [TREBLE] Knob

Adjusts the tone quality of the upper range.

EFX/SOLO

11. [EFX/SOLO] Knob

Turn this knob to CHORUS, SOLO, or POLY OCTAVE to select the corresponding effect. Turn the knob to adjust the amount of effect applied.

The ON indicator lights up when EFX is turned on, and goes out when EFX is turned off. You can also turn EFX on and off using optional foot switches.

• Graduations for CHORUS, SOLO, POLY OCTAVE on a panel are for reference. Be sure to check the sound as you adjust the effects.

Knob Position	Description
CHORUS	In this effect, a slightly detuned sound is added to the original sound, giving the sound greater breadth and fullness. Turning the knob to the right increases the rate and deepens the chorus effect.
SOLO	This applies a boost effect to the original sound. By turning SOLO on/off, you can vary the volume and contour of your sound.
POLY OCTAVE	This adds sound lowered by an octave to the original sound. Since you can play chords even when using this effect, you can use it to fatten the sound of your chordal playing as well.

DELAY/REVERB

12. [DELAY/REVERB] Knob

Turn this knob to DELAY or REVERB to switch to that effect. Turn the knob to adjust the amount of effect applied.

• Graduations for DELAY, REVERB on a panel are for reference. Be sure to check the sound as you adjust the effects.

Knob Position	Description
DELAY	Turn the knob to change the time and amount of delay effects.
REVERB	Turn the knob to adjust the reverb level.

Control Panel (continued)

13. [POWER SQUEEZER] Switch

The switch lights in red when the power squeezeer function is on; the switch is unlit when the power squeezeer is off.

Switching on the Power Squeezer function allows you to reduce the amp's output to 2 watts.

Switching this on allows you to produce a sound that preserves the same tone and balance at an output of 2 watts, for volume levels that are more suitable for the average home.

• The Power Squeezer function affects only sounds input through the BASS INPUT jack. It has no effect on sounds input via the AUX IN jack.

14. AUX IN Jack

You can connect a CD player, digital audio player or other kind of device and have it play along with your bass.

This accepts a stereo miniature phone plug. However, the speaker and RECORDING OUT/PHONES output is monaural. Use a cable (sold separately) that's appropriate for the device you're connecting.
Determine the volume level by adjusting the volume control of the connected device.
When connection cables with resistors are used, the volume level of equipment connected to the AUX IN jack may be low. If this happens, use connection cables that do not contain resistors.

15. FOOT SW (Foot switch) Jack

You can use foot switches (optional BOSS FS-5U or FS-6) to turn EFX/ SOLO on and off and turn COMP/DRIVE on and off.

• CUBE-20XL BASS is equipped with a TRS-type FOOT SW jack that accepts plugs of the configuration shown in the figure. To connect a foot switch pedal, use a TRS-compatible cable.

TIP:EFX/SOLO
RING:COMP/DRIVE

• For details on connecting foot switches, refer to"Connections"(p. 7).
• If you use a monaural cable to connect only one foot switch, it can be used to turn the EFX/SOLO on and off.

• When Using RECORDING OUT
  Use mono 1 / 4'' phone plugs when connecting to this jack. Volume level of RECORDING OUT can be easily adjusted if you set the [VOLUME] knob as shown in the diagram on the right.
• When Using Headphones
  Connect headphones to this jack.
• No sound is played through the unit's speaker while the RECORDING OUT/PHONES jack is in use.

17. [POWER] Switch

This switches the power on and off.

Switching the Power On and Off

Once the connections have been completed, 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.

1. Make sure that all [VOLUME] knobs on the CUBE-20XL BASS and all the connected devices are set to 0.

1. Turn on all the devices connected to the CUBE-20XL BASS's input jacks (BASS INPUT jack and AUX IN jack).

2. Turn on the CUBE-20XL BASS.

3. 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.

4. This unit is equipped with a protection circuit. A brief interval (a few seconds) after power up is required before the unit will operate normally.

1. Adjust the volume levels for the devices.
2. Before switching off the power, lower the volume on each of the devices in your system and then TURN OFF the devices in the reverse order to which they were switched on.
3. 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. 3).

CUBE-20XL BASS is equipped with a tuner function. In addition to manual tuning, you can also use it as a chromatic tuner.

• Once in the Tuner mode, no sound is played from the speaker or the REC OUT/PHONES jack.
• The sound input to the AUX IN jack is output.

Manual Tuning

Use manual tuning when the strings are substantially out of tune (such as after changing strings).

1. Press the [TUNER] switch.

CUBE-20XL BASS enters the Tuner mode and the [TUNER] switch lights up.

2. Use the Type switch to select the string that you want to tune.

Knob Position	Description
5B	Open fifth string (B)
4E	Open fourth string (E)
3A	Open third string (A)
2D	Open second string (D)
1G	Open first string (G)
Ab	Open third string (semitone down) (Ab)

• The reference pitch is A=440 Hz. This cannot be changed.

3. Play a single note on the open string that you want to tune.

Tune the string until the green indicator lights.

• The red indicator flashes if the pitch is substantially out of tune.

4. When you have finished tuning, press the [TUNER] switch once again.

Chromatic Tuning

If you press the [TUNER] switch for one full second or more, the [TUNER] switch flashes and the unit becomes usable as a "chromatic tuner," which automatically determines the name of the note closest to the one played.

1. Press and hold the [TUNER] switch for at least one second.

[TUNER] switch flashes and CUBE-20XL BASS enters the chromatic tuner mode.

2. Play a single note on the open string that you want to tune.

Tune the string until the green indicator lights.

ALL ROUND (SUPER FLAT)

SLAP BASS (SESSION)

FINGER & FRETLESS (BASS 360)

ROCK RIFF (CONCERT 810)

An original amp featuring a wide-range frequency response.

This amp type enables clear reproduction of your instrument's sound. This also makes it perfect when connecting bass modeling processors or using sound modules like bass synth.

In addition, you can exploit the equalizer's capabilities to create the perfect bass sound for any musical genre from rock to jazz

When POLY OCTAVE is turned on, the entire range of sound, from bass to treble, will become much more robust.

This setting cuts the midrange for a great slap bass sound.

Setting the SHAPE switch to ON further boosts the low and high ends.

To get a crisp slap sound, lower the MIDDLE setting and raise the TREBLE. This emphasizes the brightness of the string sound, resulting in a slap sound with a lighter pull sound. By applying COMP, you can greatly enhance the clarity of the sound.

To get that attacking sound used in rock music, raise the BASS and MIDDLE settings to produce a sound with greater power.

This bass sound made its appearance in the '70s.

This is suited for a Jazz Bass with a rear pickup used. This produces a warm, contoured sound when the bass is fingered near the rear pickup.

In addition, using this setting while playing harmonics in combination with a chorus and a delay enables sounds featuring exquisite reverberation.

This is a fat, powerful standard bass sound.

Raise the MIDDLE setting to produce a clear picking sound when the bass is picked.

If you want a fatter low end, set the SHAPE switch to ON.

Raising the DRIVE results in an even fatter distortion sound.

CUBE-20XL BASS (CB-20XL)

Rated Power Output	20 W
Nominal Input Level	BASS INPUT: -10 dBu/1 MΩ
	AUX IN: -10 dBu
Speakers	20 cm (8 inch)
Controls	[POWER] Switch
	[SHAPE] Switch
	[TUNER] Switch
	[POWER SQUEEZEER] Switch
	[COMP/DRIVE] Knob
	COSM AMPLIFIER Type switch (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) [GAIN] Knob, [VOLUME] Knob
	EQUALIZER [BASS] Knob, [MIDDLE] Knob, [TREBLE] Knob
	EFX/SOLO [EFX /SOLO] Knob (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB [DELAY/REVERB] Knob (DELAY, REVERB)
Indicators	Power, EFX/SOLO, TUNER, POWER SQUEEZEER, COMP/DRIVE
Connectors	BASS INPUT Jack, AUX IN Jack, FOOT SW Jack (EFX/SOLO, COMP/DRIVE), RECORDING OUT/PHONES Jack
Power Consumption	24 W
Dimensions	335 (W) x 327 (D) x 335 (H) mm 13-3/16 (W) x 12-7/8 (D) x 13-3/16 (H) inches
Weight	9.4 kg / 20 lbs 12 oz
Accessories	Owner's Manual

• 0 dBu = 0.775 Vrms
• In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

Roland

Bedienungsanleitung

Bassverträker CB-20XL

CUBE-20XL BASS (CB-20XL)

Angegebene Ausgangsleistung	20 W
Nomineller Eingangspiegel	BASS INPUT: -10 dBu/1 MΩ
	AUX IN: -10 dBu
Lautsprecher	20 cm (8 Zoll)
Bedienelemente	[POWER]-Schalter
	[SHAPE]-Schalter
	[TUNER]-Taster
	[POWER SQUEEZER]-Taster
	[COMP/DRIVE]-Regler
	COSM-VERSTÄRKER Typschalter (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) [GAIN]-Regler, [VOLUME]-Regler
	EQUALIZER [BASS]-Regler, [MIDDLE]-Regler, [TREBLE]-Regler
	EFX/SOLO [EFX /SOLO]-Regler (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB [DELAY/REVERB]-Regler (DELAY, REVERB)
Anzeigen	Ein/Aus, EFX/SOLO, TUNER, POWER SQUEEZER, COMP/DRIVE
Anschlüsse	BASS INPUT-Buchse, AUX IN-Buchse, FOOT SW-Buchse (EFX/SOLO, COMP/DRIVE), RECORDING OUT/PHONES-Buchse
Stromverbrauch	24 W
Abmessungen	335 (B) x 327 (T) x 335 (H) mm 13-3/16 (B) x 12-7/8 (T) x 13-3/16 (H) Zoll
Gewicht	9,4 kg/20 lbs, 12 oz
Zubehör	Bedienungsanleitung

Fonction Power Squeezer (p. 6)

CUBE-20XL BASS (CB-20XL)

Puisance de sortie nominale	20 W
Niveau d'entrée nominale	BASS INPUT: -10 dBu / 1 MΩ
	AUX IN: -10 dBu
Haut-parleurs	20 cm (8 pouces)
Commandes	Commutateur [POWER]
	Commutateur [SHAPE]
	Commutateur [TUNER]
	Commutateur [POWER SQUEEZER]
	Bouton [COMP/DRIVE]
	AMPLIFICATEUR COSM Commutateur Type (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) bouton [GAIN], bouton [VOLUME]
	EQUALIZER Bouton [BASS], bouton [MIDDLE], bouton [TREBLE]
	EFX/SOLO Bouton [EFX/SOLO] (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB Bouton [DELAY/REVERB] (DELAY, REVERB)
Témoins	Alimentation, EFX/SOLO, TUNER, POWER SQUEEZER, COMP/DRIVE
Connecteurs	Entrée BASS INPUT, entrée AUX IN, entrée FOOT SW (EFX/SOLO, COMP/DRIVE), entrée RECORDING OUT/PHONES
Consommation électrique	24 W
Dimensions	335 (L) x 327 (P) x 335 (H) mm13-3/16 (L) x 12-7/8 (P) x 13-3/16 (H) pouces
Poids	9,4 kg
Accessoires	Mode d'emploi

CUBE-20XL BASS (CB-20XL)

Emissione di potenza stimata	20 W
Livello di ingresso nominale	BASS INPUT: -10 dBu/ 1MΩ
	AUX IN: -10 dBu
Altoparlanti	20 cm (8 pollici)
Controlli	Interruttore [POWER]
	Interruttore [SHAPE]
	Interruttore [TUNER]
	Interruttore [POWER SQUEEZER]
	Manopola [COMP/DRIVE]
	COSM AMPLIFIER Interruttore per la scelta del tipo di suono (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) Manopola [GAIN], manopola [VOLUME]
	EQUALIZER Manopola [BASS], manopola [MIDDLE], manopola [TREBLE]
	EFX/SOLO Manopola [EFX /SOLO] (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB Manopola [DELAY/REVERB] (DELAY, REVERB)
Indicatori	Power, EFX/SOLO, TUNER, POWER SQUEEZER, COMP/DRIVE
Connettori	Ingresso BASS INPUT, ingresso AUX IN, uscita FOOT SW (EFX/SOLO, COMP/DRIVE), uscita RECORDING OUT/PHONES
Consumo energetico	24 W
Dimensioni	335 (L) x 327 (P) x 335 (A) mm 13-3/16 (L) x 12-7/8 (P) x 13-3/16 (A) pollici
Peso	9,4 kg / 20 lb, 12 oz
Accessori	Manuale dell'utente

1. Conector BASS INPUT

Conecte ahora bajo.

2. Mando [COMP/DRIVE]

CUBE-20XL BASS (CB-20XL)

Clasificación de salute	20 W
Nivel de entrada nominal	BASS INPUT: -10 dBu/1 MΩ
	AUX IN: -10 dBu
Altavoces	20 cm (8 pulgadas)
Controles	Interruptor [POWER]
	Conmutador [SHAPE]
	Conmutador [TUNER]
	Conmutador [POWER SQUEEZER]
	Mando [COMP/DRIVE]
	COSM AMPLIFIER Conmutador de tipo (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) mando [GAIN], mando [VOLUME]
	EQUALIZER Mando [BASS], mando [MIDDLE], mando [TREBLE]
	EFX/SOLO Mando [EFX /SOLO] (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB Mando [DELAY/REVERB] (DELAY, REVERB)
Indicadores	Alimentación, EFX/SOLO, TUNER, POWER SQUEEZER, COMP/DRIVE
Conectores	Conector BASS INPUT, conector AUX IN, conector FOOT SW (EFX/SOLO, COMP/DRIVE), conector RECORDING OUT/PHONES
Consumo	24 W
Dimensiones	335 (anchura) x 327 (fondo) x 335 (altura) mm 13-3/16 (anchura) x 12-7/8 (fondo) x 13-3/16 (altura) pulgadas
Peso	9,4 kg / 20 libras y 12 onzas
Accesorios	Manual del usuario

CUBE-20XL BASS (CB-20XL)

CUBE-20XL BASS (CB-20XL)

Nominaal uitgangsvermögen	20 W
Nominaal ingangsnaiveau	BASS INPUT: -10 dBu / 1 MΩ
	AUX IN: -10 dBu
Luidsprekers	20 cm (8 inch)
Bedieningselementen	[POWER]-schakelaar
	[SHAPE]-schakelaar
	[TUNER]-schakelaar
	[POWER SQUEEZER]-schakelaar
	[COMP/DRIVE]-regelaar
	COSM AMPLIFIER Type-schakelaar (SUPER FLAT, FLIP TOP, B MAN, BASS360, SESSION, CONCERT 810) [GAIN]-regelaar, [VOLUME]-regelaar
	EQUALIZER [BASS]-regelaar, [MIDDLE]-regelaar, [TREBLE]-regelaar
	EFX/SOLO [EFX/SOLO]-regelaar (CHORUS, SOLO, POLY OCTAVE)
	DELAY/REVERB [DELAY/REVERB]-regelaar (DELAY, REVERB)
Indicators	POWER, EFX/SOLO, TUNER, POWER SQUEEZER, COMP/DRIVE
Aansluitingen	BASS INPUT-ingang, AUX IN-ingang, FOOT SW-aansluiting (EFX/SOLO, COMP/DRIVE), RECORDING OUT/PHONES-aansluiting
Stroomverbruik	24 W
Afmetingen	335 (B) x 327 (D) x 335 (H) mm 13-3/16 (W) x 12-7/8 (D) x 13-3/16 (H) inch
Gewicht	9,4 kg / 20 lbs, 12 oz
Accessoires	Gebruikershandleiding

When you need repair service, call your nearest Roland Service Center or authorized Roland distributor in your country as shown below.

AFRICA

EGYPT

Al Fanning Trading Office 9, EBN Hagar Al Askalyane Street, ARD E1 Golf, Heliopolis, Cairo 11341,Egypt TEL: [phone]

REUNION

MARCEL FO-YAM Sarl 25 Rue Jules Hermann, Chaudron -BP79 97 49 Ste Clotilde Cedex, REUNION ISLAND TEL: [phone]

SOUTH AFRICA

T.O.M.S. Sound & Music (Pty)Ltd. 2ASTRON ROAD DENVER JOHANNESBURGZA 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.
SF. No.1500 Pingliang Road
Shanghai 200090, CHINA
TEL: [phone]

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

HONG KONG

Tom Lee Music
11/F Silvercord Tower 1
30 Canton Rd
Tsimshatsui, Kowloon,
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 Citra Intirama
JL.Cideng Timur No. 15J-150
Jakarta Pusat, 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

VIETHUONGCORPORATION 386 CACH MANG THANG TAM ST. DIST.3,HO CHI MINH CITY, VIE NT TEL: [phone]

PHILIPPINES

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

MALAYSIA/

SINGAPORE

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

TAIWAN

ROLAND TAIWAN ENTERPRISE CO., LTD. 9F-5, No. 112 Chung Shan North Road Sec. 2 Taipei 104, TAIWAN R.O.C.
TEL: [phone]

THAILAND

Theera Music Co., Ltd.
100-108 Soi Verng Nakornkasetem,
New Road,Sumpantawong,
Bangkok 10100,THAILAND
TEL: [phone]

OCEANIA

AUSTRALIA/ NEW ZEALAND

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

For Australia
TEL: [phone]
For New Zealand
TEL: [phone]

CENTRAL/LATIN AMERICA

ARGENTINA

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

BARBADOS

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

BRAZIL

Roland Brasil Ltda.
Rua San Jose, 211
Parque Industrial San Jose
Cotia - Sao Paulo - SP, BRAZIL
TEL: [phone]

CHILE

Comercial Fancy II S.A.
Rut.: 96,919,420-1
Nataniel Cox #739, 4th Floor
Santiago - Centro, CHILE
TEL: [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 yara Zura Guayauqi- 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

2045 Torokbalint, FSD Park, building 3, HUNGARY
TFI: (23) 511011

IRELAND

Roland Ireland
G2 Calmount Park, Calmount
Avenue, Dublin 12,
Republic of IRELAND
TEL: [phone]

ITALY

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

NORTH AMERICA

CANADA

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

Roland Canada Ltd. (Toronto Office) 170 Admiraloulboula Mississauga ON LST 2 CANADA TEL: [phone]

U.S.A.

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

有关产品中所含有害物质的说明

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.

This product complies with the requirements of EMCD 2004/108/EC and LVD 2006/95/EC.

-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-Caising Equipment Regulations.

AVIS

This product contains chemicals known to cause cancer, birth defects and other reproductive harm, including lead.

MEMO

Roland