[Jukebox-list] mm-3 wiring

Jay Hennigan jay at west.net
Fri Jul 28 16:50:34 PDT 2000


On Fri, 28 Jul 2000, James McClave wrote:

> joe, bill bickers is good, he is down in georgia. im better at tube amps
> than solid state ones , but it sounds like you may need a rebuld. you
> might try swapping the output transistors on the amp, they are  mounted
> to the black finned heat sink, you may have to take a cover off to see
> them. there should be 4 there, 2 for each channel, just swap them in
> pairs , be careful to install them correctly.   jim

I would not suspect an output transistor based on the reported symptoms.
A bad output transistor would result in either substantial distortion or
a completely dead channel.  

More likely to be a coupling capacitor or something in the low-level 
stages, IMHO. 

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