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Troubleshooting Guide 
 

From time to time you may experience problems in obtaining optimum equipment 
performance. Following is list of frequently encountered problems.   
 

Problem 

Solution 

Power indicator and filaments do 
not light 

Check the fuse and make sure the amplifier is 
plugged into a working power outlet

 

Sound out of one speaker only 

Turn volume control fully counter-clockwise and 
reverse input connectors. If sound changes from 
one speaker to the other, check source or replace 
inter-connect wires. If the sound is still coming out 
of the same speaker only, check speakers on 
another piece of equipment for proper operation.

 

Static, noise, or hum 

Turn the potentiometers Individually clockwise or 
counter-clockwise until the hum reduces to the 
lowest level on each channel

 

 

Equipment problem could also be caused by fault in any part of the system or its installation. 
As Legal consumer protection varies from country to country, you should always first consult 
the  local  dealer  for  any  technical  problems  that  you  may  experience.  Please  contact  your 
local distributor or Opera Audio at the address in the back of this manual for any difficulties 
that cannot be resolved.  
 
Certain Consonance equipment is made in special versions for different territories as a result 
it  is  impracticable  to  arrange  international  guarantees.  Please  establish  appropriate 
guarantee arrangements with your own dealer at the time of sale. We are always available to 
offer  help  and  advice.  It  is  essential  that  repairs  and  updates  are  only  carried  out  by 
authorized  Consonance  dealer  or  Opera  Audio  factory.  As  many  Consonance  components 
are  custom  made  and  specially  matched,  the  replacement  parts  must  be  ordered  through 
Opera  Audio  or  its  representative.  Our  dealer  will  have  all  relevant  information  about  the 
service in your area and will ensure that you equipment is serviced without delay.  
 
If  for  some  reason,  there  are  no  service  facilities  available  in  your  area,  please  ship  the 
equipment to the address listed at the back of the manual. 
 
Please note that you are responsible for all shipping charges, insurance, and re-importation 
to your country, and duty arrangements.  
 
When shipping a product back to factory for service, always include the following: 

  Sales slip or other proof of purchase if repair is claimed under warranty. 

  A proforma invoice with value of the goods, stating that the amplifier is returned to 

china for repair. 

  An accompanying letter describing faults, symptoms or problems with the amplifier. 

  Always ship the amplifier in its original carton and packaging material to prevent 

damage in transit. 

 
Opera Audio will not accept responsibility for any damage caused in transit, no matter 
whatever caused. 
 

Содержание Cyber880 AM

Страница 1: ...technicians The power supply cord or plug has been damaged Objects have fallen or liquid has been spilled into the equipment The equipment does not appear to function normally or exhibits a marked change in performance The equipment has been dropped or the enclosure damaged Do not under any circumstances allow anyone to modify your Consonance equipment without first checking with Opera Audio your ...

Страница 2: ...the Cyber 880 AM s output impedance per channel Refer to the speaker s manufacturer handbook for information on the nominal impedance The Cyber 880 AM is factory set to match the speakers at 8 ohms and 4 ohms Ventilation The equipment should be situated so that its location or position does not interfere with its proper ventilation 1 The equipment must not be placed on bed sofa or similar surfaces...

Страница 3: ...Table of Contents SAFETY INSTRUCTION 1 INTRODUCTION 2 2 UNPACKING SET UP 2 3 OPERATING TIPS 3 4 GENERAL WARNINGS 4 5 TROUBLESHOOTING GUIDE 5 6 TECHNICAL SPECIFICATION 7 7 WARRANTY 8 ...

Страница 4: ... e 240V 230V 220V 115V 100V AC dependent on country 2 Positioning the Equipment The amplifier may generate considerable heat during normal operation Please ensure that the unit is far away from effect of any domestic heat source and adequate air circulation around the unit is provided to maintain cool operation For air circulation leave enough space around the unit at least 3 cm on the top and 3 c...

Страница 5: ...supplies for CD players tuners preamplifiers and crossovers should be switched on before switching on the amplifier s Always switch the amplifier s off and wait about 5 minute for its power supply capacitors to discharge before connecting or disconnecting any leads Always use the power switch on the equipment instead of the mains outlet switch C Running in Your Consonance equipment will take a con...

Страница 6: ...ings Every piece of Consonance equipment is designed to produce the finest sound quality that can be achieved by avoiding compromise wherever possible This can lead to circumstances that may be unfamiliar to the equipment owner The material that follows contains advice specifically related to Consonance equipment as well as more general warning about the use of domestic audio products Please read ...

Страница 7: ...rritories as a result it is impracticable to arrange international guarantees Please establish appropriate guarantee arrangements with your own dealer at the time of sale We are always available to offer help and advice It is essential that repairs and updates are only carried out by authorized Consonance dealer or Opera Audio factory As many Consonance components are custom made and specially mat...

Страница 8: ...V AC dependent on country Phono RCA Signal input right left Speaker output left Speaker output right There is a bias indicator of power tubes V1 V8 set on the front side of transformers cover Note Normal operating point has been factory set at 55mA the middle point of the indicator Don t leave the operating point beyond that point the further right in this case ...

Страница 9: ...S 1kHz TOTAL HARMONIC DISTORTION less than 1 20watt 1kHz FREQUENCY RESPONSE 3dB points at 20 watt 5Hz 55kHz INPUT SENSITIVITY 1V INPUT IMPEDANCE 100k ohms OUTPUT IMPEDANCE 4 8 ohms User selectable SIGNAL NOISE 90dB CONSUMPTION 260watt INPUT INTERFACES 1 group RCA OVERALL NEGATIVE FEEDBACK Little VACUUM TUBE 2A3 x 8 12BH7x 2 ECC82 x1 DIMENSIONS 480 L x428 W x225 H mm WEIGHT 35kg SPECIFICATIONS SUBJ...

Страница 10: ...mplied and of all other obligations or liabilities on our part This warranty shall not apply to any Opera audio product which shall have been repaired or altered outside of our factory in any way so as to affect its stability nor which has been subject to misuse negligence or accident Warranties of the vacuum tubes are by the respective manufacturers usually 90 days Please mail or e mail the Regis...

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