New to forum! pots for OSA/API mic pres

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oldguitars
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New to forum! pots for OSA/API mic pres

Post by oldguitars » Wed Aug 08, 2007 10:21 am

Hi!
I am new to the forum. I figured you guys could help. I have some old OSA (old school audio) api clones and i want to replace the pots. Currently they have 10k, 1w, linear taper. The gain slope is weird with linear. Brent averill uses 25k log/audio. some people say to use 22k rev log.

I am not sure which to use, what impact they will have and where to get them. I would looooove some help from the wisdom here. Thanks!!!!!!

note: These are old OSA's with actual 2520's. nice and crappy paint too! but they sound good... also they have pad, mic/line and polarity AND original API knobs....

Digikey and mouser search scares me!
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calaverasgrandes
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Post by calaverasgrandes » Wed Aug 08, 2007 12:05 pm

I cant help you on recomendations.
but yeah, digikey and mouser (and marketek) have some of the most un-user-friendly search engines. You pretty much have to know the manufacturer and part no. before you start.

But then maybe its deliberate to discourage home solder jockeys from bothering them with their piece-meal orders!
I know Digikey used to (still does?) have a policy of charging a fee for small orders.
??????? wrote: "everything sounds best right before it blows up."

peterc
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Post by peterc » Wed Aug 08, 2007 1:15 pm

Small Bear Electronics have these:

http://www.smallbearelec.com/Detail.bok?no=116

Then select 10k from the drop box.

They should give the right taper.

Peter
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brianroth
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Post by brianroth » Fri Aug 10, 2007 10:03 pm

Lots of the API-ish requires a reverse audio/log taper pot, and 25K sticks in my memory.

Look at the PEI pots from Digikey.

Bri
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http://www.brianroth.com/

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