It envolves removing 4 capacitors in the amp that allow it to become much more transparent. I don't remember the c- numbers but the are fairly large sausage looking caps near the input end each of the circuit boards(2 caps to the board) You simply cut them out. You can call Belles and he will tell you if your amps serial number envolves this tweak. It works pretty good. Amps coming from Belles over the last year will already be done.
Belles 350A
I just bought a Belles 350A amp. Let me tell all of you, this is one fantastic amp. It is much better than the VTL tubes that it replaced. There is not much written about this amp. I was wondering if any of the audiogoners use this amp ? If so what power cords do you use and has any body had good success with any tweaks ? I put mine on a nice piece of maple and it sounds beautiful.
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