STAX SRD-7 PRO doesn't need AC at all?
Oct 26, 2018 at 12:47 AM Thread Starter Post #1 of 1

lambdastorm

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I got an SRD7-PRO 2 months ago and have been pretty satisfied with it. Today I accidently unplugged the power cord and.............nothing. Really? I was expecting the headphones to suddenly quiet down or something. I kept it unplugged for 20 minutes and my STAXes are still working just fine. I was so confused. Isn't SRD-7 PRO supposed to use 110V AC for 580V DC bias voltage?
 

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