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Help on Audio Research D79A adjustment
Help on Audio Research D79A adjustment
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Old 16th June 2011, 04:15 PM   #1
mgm31 is offline mgm31  France
diyAudio Member
Join Date: Sep 2005
Location: Toulouse
Default Help on Audio Research D79A adjustment

Hi everyone,

I have an Audio Research D79 version A with defective preamp tubes.
I can't send this very heavy amp to a dealer.

I have the schematic and B and C manuals but NOT the A manual

There is a procedure to follow for DC balance and distorsion on B and C and I found 3 pots on the A version that I could guess can have the same function.

Does anyone have a copy of the user manual of A version that could help me to do it ?

Thanks a lot
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