Stancor Power Transformer

For those building and repairing amps on their own. Learna and share ideas.

Stancor Power Transformer

Postby erictch71 on Tue Jan 13, 2015 2:39 am

I have a Stancor PC8412 that I'd like to use in an amp build. The specs are as follows:

Black - Primary 117v 60 cycle
Red - Secondary 400-400 @ 200ma
Red/Yellow - CT
Yellow - 5v @3A
Green - 6.3v @5A
Green/Yellow - CT

Any info on which guitar amp this could work with would be amazing. I have a few on the bench.
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Re: Stancor Power Transformer

Postby erictch71 on Tue Jan 13, 2015 3:08 am

I also have a Stancor A-8053 OT which came with the PT.

I'm figuring both will be ideal for a Fender style amp.
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Re: Stancor Power Transformer

Postby PeterS on Tue Jan 13, 2015 8:04 pm

Plenty of transformer there but you might need to use zener diodes to reduce the power supply voltage --- typical Fender is more like 325 VAC giving a B+ somewhere in the mid 400's. Your 400VAC will give you a B+ well over 500 volts. I've found this to be generally a problem in scrounging transformers to build amps with - the ones I find are either tiny, or if they are larger then the voltage is too high.
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