SAE Two PA-10 preamplifier

[audio king]

Hello all,

I am looking for a schematic or any other information you may have on this preamp. I wish to return it to original condition.

Thanks!

 

[iivanolive]

Hello, I have the same preamp, but there is no information, schematics and service manual. Maybe you managed to find something? I'm very interested. Thanks.

 

[audio king]

Nope, nothing. I did find an online manual supplier, but the ordering procedure was ridiculous.

 

[iivanolive]

Thanks, I get it. I will try to replace the capacitors of the best grade according to the marking.

 

[mr woofer]

Greetings

I'm new here and wanted to know anyone who might have one of these Preamps might know what the Value of R621 Might be conversely I can't locate a Schematic either.

Thank you for your timer and consideration.

John

 

[audio king]

There is no R621. The highest series number is R4xx. Wrong number or wrong preamp?

 

[mr woofer]

Thanks for getting back to me" you are correct it's a R162 hope you may be of help and thanks for getting in touch!much appreciated

John

 

[audio king]

That makes more sense, I'll check again later this evening.

 

[mr woofer]

I can't thank you enough for your time and consideration.

John

 

[audio king]

Hi John,

You are very welcome, and I'm glad to be able to help. This preamp seems to be a bit rare, and I still haven't found any service information for it.
Even though I am a die-hard tube guy, this is one of the few SS preamps that I really like.

The resistor in question, R162, is 270Ω. Coincidentally, the resistor right beside it, R161, is also 270Ω.
I'm thinking perhaps power supply decoupling, as there are two film caps right alongside them.

Cheers,
Art

 

[mr woofer]

Hey Thank you if you need any Caps to up-grade I will send you some if you like best regards

John