Right side works, left side not, unless volume is set way high, then
horrible staticy low volume. All output transistors removed & checked,
all good.

Hmmm... that doesn't sound like a fried-output-transistor sort of
behavior.

Any ideas? Otherwise it's gonna get tossed, or maybe Ebayed
for parts.

Given the age and the symptoms, I'd suspect the usual few culprits:

- Dried-out capacitors in the signal path (although one web page I
see on this amp suggests that it's a direct-coupled design with
no such 'lytics).

- Bad switches, potentiometers, or relays - either dirty, or with
worn contacts.

- Blown fuse in the supply to the output or driver transistors.

The amp seems to use some sort of active servo and biasing circuit...
if this has failed you might not be getting any signal drive into the
output transistors.

Seems to me it'd be worth the usual "inject a signal at the left
input, follow it through the circuit, and see where it goes away"
diagnostic technique. Would be a shame to bin it, if it's repairable.

--
Dave Platt AE6EO
Friends of Jade Warrior home page: http://www.radagast.org/jade-warrior
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