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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

Drop in replacement for NE5532?
Drop in replacement for NE5532?
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Old Today, 08:19 PM   #251
Rick PA Stadel is offline Rick PA Stadel  United States
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Quote:
Originally Posted by sgrossklass View Post
Also, it seems like C411/412 would be making the regs rather slow, hence possibly why they have a boatload of capacitance on the outputs.
I think C411's job might be to slow the turn-on ramp so the pass transistor doesn't die trying to charge that boatload, giving the opamp and control loop a chance to come up and stabilize.

And, Chris, Thanks. I'll keep that in mind.

Cheers

Last edited by Rick PA Stadel; Today at 08:23 PM.
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Old Today, 09:07 PM   #252
Salas is online now Salas  Greece
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Drop in replacement for NE5532?
BTW here are my μPC4570C samples (the NEC similar low noise chip to the 5532 we talked about for a bit), do they look legit to those of you who met them in older Japanese audio machines?
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