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Questions about tubes and gear that glows. FAQ

Re: How do I set the bias?

The easy part is how to set the meter.

Set it dc and likely the lowest setting available.
There were a number of models these amps made.
Probably your best bet is to get an owner's manual at a place like the link below. Click the green button under int amps /x100.
That will likely give you instructions and a schematic if you can verify the model year etc of your particular amp. ven if the amnual is another year it is likely to be close.

Also try:
Pat’s Schematics: One of the largest collections online. http://nanaimo.ark.com/~pat/index.htm

* A.G Tannenbaum: need a service manual for an old amp? http://www.agtannenbaum.com/

I'm sure Tannenbaum has service manuals for the x-100 too.

Cheers
Craig Ryder


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