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Cary Audio Design CAD-280 SA V-12R, Operation Manual, Page: 1 / 8

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Cary Audio Design CAD-280 SA V-12R Operation Manual Download Page 1

Cary Audio Design

CAD-280SA

V-12R

Vacuum Tube Stereo or

Monobloc Power Amplifiers

OPERATION MANUAL

NOTE:

 

Before installing your  new 

V-12R

  power  amplifier, please  read this manual carefully as it will

inform you of the specifications, proper installation procedures and operation procedures.  Also  included
in this manual are guidelines on  how  to  properly  service and care for  your  new  CAD-280  SA  (

V-12R

)

stereo or mono power amplifier.

Summary of Contents for CAD-280 SA V-12R

Page 1: ...stalling your new V 12R power amplifier please read this manual carefully as it will inform you of the specifications proper installation procedures and operation procedures Also included in this manual are guidelines on how to properly service and care for your new CAD 280 SA V 12R stereo or mono power amplifier ...

Page 2: ...tts Ultralinear Mode 200 watts Ultralinear Mono INPUT SENSITIVITY 1 3 volts for full output INPUT IMPEDANCE 150 000 ohms NOISE AND HUM 84db below rated output FREQUENCY RESPONSE 20Hz to 23Khz 1 0 dB at full power TUBES 2 12BZ7 Input tubes or 12AY7 12AX7 2 EL 84 Current Source tubes or 6BQ5 12 EL 34 Output tubes or 6550 KT 66 KT 77 KT 88 KT 90 6L6 POWER TRANSFORMER 1 EI laminated 200 duty cycle OUT...

Page 3: ... power detachable cord to AC power mains POWER AC FUSE This is an over current protection fuse for the power transformer Never replace with any other fuse than 3 AMP SLOW BLOW 250 VOLT 2 AMP SLOW BLOW IN 220 VAC OPERATION FILAMENT FUSE This is an over current protection fuse for the filament transformer Never replace with any other fuse than a 2 AMP SLOW BLOW 1 AMP SLOW BLOW IN 220 VAC OPERATION L...

Page 4: ...from your Cary Audio Authorized Dealer with the packing cartons should you ever need it Failure to register your warranty will set the limited warranty time period to 90 days from date of purchase When purchased from a Cary Audio Authorized Dealer and properly registered the limited warranty period is extended See the limited statement of warranty for details 2 3 Amplifier Placement In general the...

Page 5: ...The speaker cables from the output posts of the CAD 280 SA to the speaker system can be any convenient length your set up requires Select speaker cables of sufficient ...

Page 6: ...st 4 or 8 ohm for the speaker s in your system The selection should be based on your current speakers rated specifications and listening tests to confirm the correct connection 3 3 Triode or Ultra Linear Mode Switches Select either the Triode 50 100 Mono watts or Ultra Linear 100 200 Mono watts output setting Make sure all six switches are set to the same operating mode position You can switch bet...

Page 7: ... be used in the V 12R power amplifiers 6L6 6V6 KT 66 KT 88 6550C KT 90 KT 99 or EL 34 tubes are all acceptable for use in the output stage 4 3 IN FACTORY SERVICE Careful consideration has been given to the design of your V 12R amplifier to keep maintenance problems to a minimum However it is possible that some problems may arise which cannot be cured by a vacuum tube substitution At this point we ...

Page 8: ...RVICE WITH THE BOTTOM PLATE REMOVED CONTACT WITH THE HIGH VOLTAGES FOUND INSIDE THE CHASSIS CAN BE FATAL COMPLETELY REMOVE AC POWER PLUG FROM THE WALL AND ALLOW 30 MINUTES FOR THE HIGH VOLTAGE CAPACITORS TO DISCHARGE THROUGH BLEEDER RESISTORS BEFORE ATTEMPTING TO CHANGE TUBES OR CLEAN THE INSIDE OF THE AMPLIFIER CAUTION NEVER REMOVE OR INSERT AC PLUG WHEN THE UNIT IS ON OR THE AC POWER SWITCH IS I...

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