I have a Forte Audio 1a power amp and I am going to upgrade it and find out what is can truly do but I need to know what the bias setting is supposed to be? I cannot find any information on it or a service manual. Thanks for your time and help.
I believe the 1a was purported to be pure class A, but I have some doubts about that claim. You might want to contact Threshold or post this question on diyaudio.com. I don't believe this was a Nelson Pass design, but he generously offers advise quite often there. Others there may have already traveld the same path as well.
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