I have a few theoretical questions about floating paraphase inverters. I am currently trying to troubleshoot a severe imbalance in an early 70's ampeg v2. Here goes...
Is there a reason that there are very few guitar amps that use this style of inverter?
Ampegs are meant to be played clean. I play it turned all the way up so that the power section distorts. From what I've read, the designer didn't intend on it being used this way. Would turning the preamp all the way up overload the phase inverter, causing an imbalance?
is this style of inverter very picky about using the correct tube that it was designed around. The amp had a "mystery tube" when I got it. It has much lower gain than a 12ax7. would it be worth putting a known 12au7 in?
if there were something going wrong in the NFB circuit, could this cause problems? Could the OPT have something to do with this?
changing to a long tailed pair...good or bad idea?
if something else in the power section was off balance, could it cause an impedence change that would throw off the inverter balance. would pulling the power tubes remedy this?
Is there a reason that there are very few guitar amps that use this style of inverter?
Ampegs are meant to be played clean. I play it turned all the way up so that the power section distorts. From what I've read, the designer didn't intend on it being used this way. Would turning the preamp all the way up overload the phase inverter, causing an imbalance?
is this style of inverter very picky about using the correct tube that it was designed around. The amp had a "mystery tube" when I got it. It has much lower gain than a 12ax7. would it be worth putting a known 12au7 in?
if there were something going wrong in the NFB circuit, could this cause problems? Could the OPT have something to do with this?
changing to a long tailed pair...good or bad idea?
if something else in the power section was off balance, could it cause an impedence change that would throw off the inverter balance. would pulling the power tubes remedy this?
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