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AMD tube integrated tube amp
AMD tube integrated tube amp
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Old 21st November 2005, 11:17 PM   #1
ivegotmono is offline ivegotmono  United States
diyAudio Member
Join Date: Nov 2005
Location: maryland
Default AMD tube integrated tube amp

I just pick up an AMD 36-110 model integrated tube amp. It's a single ended 6BQ5 Stereo. It has lots of Japanese parts. I cant find any information on it on the web. Does anyone have any info or sources for this. I need schematic etc.
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Old 18th December 2008, 07:32 PM   #2
shermanr is offline shermanr  Puerto Rico
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Join Date: Dec 2004
Location: PR
Default AMD 36-110


I happen to be working in an AMD 36-110 now. The amplifier does not have a schematic available. The unit has has all of the electrolytic caps (except the 40/40/40 @ 350V) replaced and some of the signal caps as well.

The amp now plays a 'distorted' 5 watts of Single Ended Power.

The tubes inside the amp are:

4x 6BQ5/7189 (Power tubes)

2 x 12AX7 (Input tubes)

1 x ECC85/6AQ8 (Driver tube)

1 x EZ81/6CA4 (Rectifier)

Can you confirm that these are the correct tubes? There are no markings on the amp, and the ECC85/6AQ8 tubes measures at a low 90 Volts on the plate. For a driver tube sounds low.

I would be happy to help you fix your amp in case it needs help.

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