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Old 3rd September 2008, 03:33 AM   #1
diyAudio Member
Join Date: Mar 2003
Location: Ohio
Default Dynaco Pas Transformer

Hello all,
I recently acquired (for $20, no less!) a Dynaco PAS-2 preamp. It's in pretty good shape mechanically and cosmetically. All the 12AX7s test just fine.
However, someone apparently cannabalized the PSU a bit. And the 12X4 tube and the power transformer are missing. The 12X4 socket is still there, so that will be a simple matter. However, while schematics online for this design are abundant enough. I seem to be unable to find the value of the transformer.
Now I am considering upgrading the power supply in entirety later on. But I would like to get this up and running in (minus the selenium rectifier) stock condition to have a baseline to compare to. I wonder it any of you out there know what value transformer I should be looking for.
Thanks in advance, I appreciate it greatly,
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Old 3rd September 2008, 03:53 AM   #2
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Join Date: Apr 2004
Location: Monroe Township, NJ

$32.95 buys a perfect replacement for the power trafo from Triode Electronics. Look here.
Eli D.
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Old 3rd September 2008, 04:28 AM   #3
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Join Date: Mar 2003
Location: Ohio
Wow, perfect! Thanks a bunch.
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