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STAX SRM-007tII amp :Tube Rolling / Bias Adjustment

Discussion in 'Headphone Amps (full-size)' started by ihmeyers, Feb 27, 2013.
  1. IHMEYERS
    I just picked up a used STAX SRM-007tII amp from GSTJOHN and I wanted to try out different tubes I had here including some RCA Clear Tops and some NOS Raytheons.  How do you set the bias for the amp and what are the appropriate readings for each tube?  I've found the adjustment pot but am not sure where I connect the voltmeter and what the bias should be.
     
    Thanks very much in advance!
     
    Ian
     
  2. ardilla
    Adjusting bias on Stax tube amplifiers:

    http://www.head-fi.org/a/adjusting-bias-on-stax-tube-amplifiers
     

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