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Sisterray

Refurbing a Stax SRM-1/Mk-2

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The title says it all. My SRM-252S seems to be failing, indicated by hum. (It’s the 120V version.) I’ve been discussing it on the Stax thread in Headphones. While I lack the expertise & all of the tools to troubleshoot the amp, I do possess the tools & enough skill to refurb a working SRM-1/Mk-2, a unit I’d get from eBay. I understand the primary work is to replace the caps.

Any experience?

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I did buy an SRM-1/Mk-2 through eBay a few days ago. I’ve subsequently come across a recapping procedure, so I plan on doing that in the near future. It’s a Model C, and it came out of a studio. It has two pro bias sockets.

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How's your soldering skills?

You might want to grab some junk  circuit board to practice on.

Other than that, the recap job is pretty simple.

 

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