Straight Line - Integrated amplifier Cyrus Audio - Free user manual and instructions
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| Product Type | Integrated Amplifier |
| Brand | Cyrus Audio |
| Model | Straight Line |
| Power Output | 50W per channel into 8 Ohms |
| Input Sensitivity (Line) | 200mV |
| Input Impedance (Line) | 20kΩ |
| Frequency Response | 4.5Hz - 80kHz (-3dB) |
| Signal-to-Noise Ratio | 107dBA (Line) |
| THD+N (Pre-amp) | <0.004% |
| THD+N (Power, both channels driven) | <0.005% |
| Power Consumption - Standby | 12W |
| Power Consumption - On (No Load) | 23W |
| Power Consumption - On (2 x 50W/Ch) | 185W |
| Mains Supply Voltage | 220-240V (UK/Europe) or 110-120V (N. America/Far East) |
| Dimensions (WxHxD) | 215 x 75 x 365 mm |
| Weight | 4.6 kg |
| Inputs | CD, Tuner, Video, Aux (2), Tape |
| Outputs | Pre-amplifier output, Tape output, Speaker outputs (L/R) |
| Special Features | Standby mode, Tape Monitor switch, Logarithmic volume control, Buffered pre-amp output for bi-amping/tri-amping |
| Safety | No user-serviceable parts; refer to qualified service personnel; replace mains fuse with specified types only |
| Cleaning and Maintenance | Disconnect from mains; clean cabinet with slightly damp chamois leather; do not use alcohol, spirits, ammonia or abrasives |
| Included Accessories | Instruction manual, power cable, 4 loudspeaker plugs, guarantee card |
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USER MANUAL Straight Line Cyrus Audio
User Instructions Cyrus Straight Line
Congratulations on the purchase of your Cyrus Straight Line Amplifier. This piece of equipment is a precision manufactured state-of-art product, constructed to the highest standards and specifications. This manual contains installation and operating instructions to enable the user to connect up and operate the amplifier correctly, thus ensuring the greatest satisfaction and long term use. This instruction manual is divided into seven sections.
Cautions....3
Installation....4
Operation......6
Additional Information......8
Trouble Shooting 9
Specifications....10
Guarantee....11
To enable you to make full use of this amplifier we suggest that you read these sections which will explain the fundamental operations of the unit.
UNPACKING
Always follow the instruction handbook and retain it in a safe place for future reference.
Before proceeding with installing the Cyrus Straight Line, ensure that the following items are included in the accessory box:
- Instruction Manual
- Power Cable
• 4 Loudspeaker Plugs - Guarantee Card
After removing these items, please retain the packing for future use.
CAUTION
POLARISED CONNECTOR (115V PRODUCTS ONLY) CONNECTOR POLARISE (PRODUITS 115V SEULEMENT)
To prevent electrical shock, match wide blade of plug to wide slot and fully insert
Attention: Pour éviter les chocs électriques, introduire la lame la plus large de la fiche dans la borne correspondante de la prise et pousser jusqu'au fond.
SUPPLY VOLTAGE
Your Cyrus Straight Line amplifier is factory set to operate from a fixed mains supply voltage, which is marked on a label at the rear of the unit. Before connecting, check that this voltage is the same as your mains supply, i.e.
230V Products
Voltage Range 220V-240V
115V Products
Voltage Range 110V-120V
LOCATION
Install the Cyrus Straight Line in a well ventilated location where it will not be exposed to high temperature or humidity.
Avoid installing the Cyrus Straight Line in a location which is exposed to direct rays of the sun, or near to hot appliances or radiators. Placing and using the amplifier for long periods on heat-generating sources will affect performance and may damage the cabinet. Installation in a damp or dusty environment may result in malfunction or accident.
RE-LOCATION
The Cyrus Straight Line is supplied ready for use in your location. Care has been taken to ensure that the power supply requirements are correctly set. Consult your Mission distributor to arrange for conversion of your
Cyrus Straight Line should you move to another area with a different mains voltage.
PRECAUTIONS REGARDING INSTALLATION
It is important not to allow any liquid or foreign object fall into this unit. When routing the power cord avoid running it over or near sharp objects.
If the Cyrus Straight Line is not to be used for a long period of time, unplug the unit from the mains power supply.
This unit contains no user serviceable parts, therefore never remove any panels from the unit or attempt to service the unit. In the unlikely event of failure, please refer to qualified service personnel.
POSITIONING THE UNIT
The Cyrus Straight Line may be positioned as a free standing unit or alongside another piece of audio equipment. Never stand the Cyrus Straight Line under other units which may adversely affect its efficient cooling. Never place the Cyrus Straight Line on a carpet or similar material which may hamper normal ventilation.
- Right Speaker Output
- Pre-Amplifier Output
- Tape Output
- Tape Input
- Sp Input
- Aux Input
-
Video Input
-
Tuner Input
- CD Input
- Left Speaker Output
- Power Inlet
- Mains Fuse
- Power Switch
CYRUS STRAIGHT LINE AMPLIFIER - REAR VIEW
CONNECTING POWER TO THE UNIT
The moulded IEC connector of the mains lead supplied should be plugged in to the power inlet ⑪ on the rear of the unit.
The mains fuse ⑫ is located on the rear panel next to the power switch. It must only be replaced with the following types:
U.K. / Europe - 230V
T1A/20mm
N. America / Far East - 115V
T2A/20mm
In the U.K., the Cyrus Straight Line comes with the mains plug fitted. In the unlikely event that the plug fuse should need replacing ensure that it is only replaced with a 3 Amp Fuse.
CONNECTING A TAPE RECORDER
Two phono cables are necessary for connection of a tape recorder. Connect a phono cable from the Output or Playback sockets of the tape recorder to the Tape Input - TP IN ④of the Cyrus Straight Line. Connect a second phono cable from the Input or Record sockets of the tape recorder to the Tape Record Output - TP OUT ③sockets of the Cyrus Straight Line.
CONNECTING OTHER INPUTS
Connect a phono cable between each system component and the rear panel sockets as marked on the rear panel diagram. At all times observe the colour coding of the phono cable for left and right channel identification. The Cyrus Straight Line provides for connection of a CD Player -CD ⑨, a tuner - TU ⑧, a Home Theatre decoder - VI ⑦ and two auxiliary inputs - AU ⑥ and SP ⑤.
The AU and SP inputs can be used for connection of a wide variety of products such as a second CD player, tuner or VCR, an electronic keyboard, an organ or a second tape deck if only replay is necessary. Always check the technical specification of these products before connecting to your Cyrus Straight Line. Consult your dealer if in doubt.
CONNECTING A TURNTABLE
The Cyrus Straight Line is a line level amplifier. If you wish to play a turntable through your unit, you will need an external phono preamplifier.
CONNECTING LOUDSPEAKERS
The left and right loudspeakers are connected to the rear panel sockets ① and ⑩ respectively of the Cyrus Straight Line using the plugs provided. First, fit the plugs to the loudspeaker cables. Carefully note that the cable carries marking or colours for polarity, (+ and -) may also be marked for direction with an arrow. For correct operation, it is essential that the (+ and -) terminals of the Cyrus Straight Line are connected to the corresponding (+ and -) terminals of the loudspeakers. When fitting the plugs to the cables be sure to line up (+ and -) at each end. The loudspeaker plugs can now be fitted into the speaker sockets of the Cyrus Straight Line.
POWER CONTROL
The mains power switch ⑬ is located on the rear panel of the Cyrus Straight Line (refer to the rear panel drawing on page 4). This switch should be left on for normal operation, except when left unattended for a long period. In this case the mains power should then be switched off or the product disconnected from the AC supply.
Refer now to the front panel drawing on page 7.
When the Cyrus Straight Line is in regular use and the power is permanently on, the STANDBY key ① should be used
for power control. The Standby light ② will show red when the Cyrus Straight Line is off and green when operating.
SELECTING AN INPUT FOR LISTENING
Use the Input Selector switch ③ to select the desired source input. Remember to turn the volume control ⑤ to minimum when switching between sources.
RECORD AND PLAYBACK
If the tape recorder connections are made according to the previous instruction in this manual, then you will be able to listen to a recording by selecting the TAPE MONITOR switch - TP ④.
To cancel this, press the TP switch again. If your tape deck have a three-head facility, then you can use the TP switch to monitor the recording quality directly from the third head, whilst recording. You can record from a source by selecting the appropriate input on the input selector and following the instructions in your tape deck manual.
VOLUME CONTROL
The VOLUME CONTROL ⑤ of the Cyrus Straight Line follows a logarithmic law. This means that as you turn the control up or down, the amplifier volume level tracks your hearing pattern in a stable and consistent manner.
- Standby Switch
- Standby Indicator
- Input Selector
- Tape Monitor
- Volume Control
CYRUS STRAIGHT LINE AMPLIFIER - FRONT PANEL VIEW
KNOW YOUR CYRUS STRAIGHT LINE
Power
- When powered up from the mains switch on the rear panel, the Cyrus Straight Line will enter Standby mode.
- When switched to Standby, the power amplifier section of the Cyrus Straight Line is shut down to ensure minimal power consumption and reduced heat generation.
Volume and Balance
- The volume control system of your Cyrus Straight Line is a precision engineered potentiometer which has been chosen for its musical transparency. The inter-channel tracking of this unit is maintained to a very high standard.
- In order to preserve the purity of the signal path, your amplifier is not equipped with a balance control
Bi-amping / Tri-amping
- The buffered pre-amplifier output of the Cyrus Straight Line may be used in conjunction with added power amplifier blocks to upgrade your loudspeaker system through Bi-amping or Tri-amping. The Cyrus Power is recommended for this application.
USING YOUR CYRUS STRAIGHT LINE
In all audio systems, the audible volume from the speakers will change in level when switching from one music source to another due to the differing output sensitivities of each source component. This is particularly the case with CD players which frequently have output levels very much greater than other programme sources.
For safety and to preserve the longevity of your equipment:
- Ensure the volume control is always set to minimum before selecting any source.
- Select the input required.
- Adjust the level control to give a comfortable listening level leaving a margin of headroom for the amplifier to work in.
- NEVER turn up the volume 'as loud as it will go'. If audible distortion is observed, the level is too high and may cause damage to your amplifier and loudspeakers.
TROUBLESHOOTING GUIDE
If you suspect that your Cyrus Straight Line is not operating properly, disconnect the power and check carefully all connections against the installation section of this handbook. If problems persist, the checklists in this section may help. If in any doubt, consult your local dealer.
No Sound from either Speaker
- Check that the Cyrus Straight Line is on. The green power light should be "ON".
- Check that the relevant programme source is selected and is working. For example the CD Player is playing.
- Check that the Tape Monitor is not selected inadvertently.
No Sound from one Speaker
- If your loudspeakers are fitted with protection fuses, check that the fuse is intact.
- Check the interconnect cable integrity on the rear panel and at source. If possible use another interconnect cable.
- Check the speaker cable connection integrity of the missing channel.
Spurious Sounds from the Loudspeakers
If you experience strange or unusual noises from your system, proceed as follows:
- Select another source to ensure that this is not a common problem. If the problem remains, switch the Cyrus Straight Line off at the rear panel and turn it on again after a few seconds.
- If the problem is limited to a single source, check the integrity of the interconnection to the source and in the case of a phono turntable, check that the phono ground wire is secured at the rear panel of the associated preamplifier.
AMPLIFIER MAINTENANCE
There are no user serviceable parts in the Cyrus Straight Line so there is no reason to remove any of the panels. After disconnecting the mains power supply, the cabinet may be cleaned using a chamois leather, slightly moistened with water. DO NOT use cleaning agents containing alcohol, spirits, ammonia or abrasives.
AUDIO PERFORMANCE
Input Sensitivity ....Line .... 200mV
Input Impedance ....Line ....20kΩ
Frequency Response (-3dB)...Line ....4.5Hz, 80kHz
Signal to Noise Ratio......Line ......107dBA
Power Output......8 Ohms...... 50W
THD+N (PRE - AMP)....Line ....<0.004%
THD+N (both channels driven, 1kHz, 2/3 power)
8 Ohms <0.005%
POWER SUPPLY
Voltage
See the plate attached to the rear of unit
Power Consumption
Standby....(12W)
ON (No Load)....(23W)
ON (2 x 50W/Ch)....(185W)
Safety Requirements......EN60065
ENCLOSURE
Dimensions (WxHxD) 215 x 75 x 365 mm
Weight 4.6Kg
Material ...... Die cast chassis
The company reserves the right to change this specification without prior notice.
THE MISSION/CYRUS GROUP MANUFACTURES
Domestic Loudspeaker Systems
Loudspeaker Stands
Loudspeaker Cables
Automotive Loudspeaker Systems
Compact Disc Players
D-to-A Converters
Domestic Amplifiers
Automotive Amplifiers
Tuners
Home Theatre Processors
Regulated Audio Power Supplies
Isoplat (Vibration Isolation Platform)
Iss.02-9710 File:3AEN7A17.WIM
This guarantee only becomes effective if the guarantee card enclosed is completed by the Dealer and the purchaser and returned to MISSION or Distributor within 8 days of purchase.
This guarantee excludes:
i) All damage caused through accident, misuse, wear and tear, neglect or through incorrect installation, adjustment or repair by unauthorised personnel.
ii) Liability for damage or loss occurring in transit to or from the purchaser.
Claims under this guarantee must, whenever possible, be made through the Dealer from whom the equipment was purchased or if that is not convenient, through another authorised MISSION/CYRUS dealer.
MISSION shall not be liable for any consequential damage, loss or injury whatsoever, arising from or in conjunction with this equipment.
The cost of carriage (to or from the Dealer) shall be borne by the purchaser.
This guarantee is personal to the original Purchaser and is not transferable.
If equipment is found on examination to comply with the published specification, MISSION reserves the right to make a charge for examination and for return carriage.
No Dealer or Distributor has any authority to vary the terms of this guarantee.
Any unauthorised servicing will result in loss of guarantee.
We strongly recommend that you retain the sales receipt for your CYRUS equipment in case of any warranty claim.
The above conditions do not affect your statutory rights as a consumer.
- USER INSTRUCTIONS CYRUS STRAIGHT LINE
- UNPACKING
- CAUTION
- SUPPLY VOLTAGE
- LOCATION
- RE-LOCATION
- PRECAUTIONS REGARDING INSTALLATION
- POSITIONING THE UNIT
- CONNECTING POWER TO THE UNIT
- CONNECTING A TAPE RECORDER
- CONNECTING OTHER INPUTS
- CONNECTING A TURNTABLE
- CONNECTING LOUDSPEAKERS
- POWER CONTROL
- SELECTING AN INPUT FOR LISTENING
- RECORD AND PLAYBACK
- VOLUME CONTROL
- KNOW YOUR CYRUS STRAIGHT LINE
- POWER
- VOLUME AND BALANCE
- BI-AMPING / TRI-AMPING
- USING YOUR CYRUS STRAIGHT LINE
- TROUBLESHOOTING GUIDE
- NO SOUND FROM EITHER SPEAKER
- NO SOUND FROM ONE SPEAKER
- SPURIOUS SOUNDS FROM THE LOUDSPEAKERS
- AMPLIFIER MAINTENANCE
- AUDIO PERFORMANCE
- POWER SUPPLY
- VOLTAGE
- POWER CONSUMPTION
- ENCLOSURE
- THE MISSION/CYRUS GROUP MANUFACTURES
Brand : Cyrus Audio
Model : Straight Line
Category : Integrated amplifier