Posted by PaulMC (M) on February 05, 2008 at 05:17:09

In Reply to: RE: PPP problems. posted by Mali on February 04, 2008 at 21:09:29

What is your input and output voltage?

• RE: PPP problems. - Mali 05:48:33 02/05/08 (2)
  In Reply to: RE: PPP problems. posted by PaulMC on February 05, 2008 at 05:17:09

  Input voltage 120/121, output 122/123. It's 6:30 A.M. and the input THD is a rock solid 5.0, but the output THD is 1.6-1.8. There is a marked difference in the quality of the sound at the 1.7 THD output range compared to when it's 2.3 or 2.5.
  
  

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  Edits: 02/05/08
  • RE: PPP problems. - PaulMC 07:59:51 02/05/08 (1)
    In Reply to: RE: PPP problems. posted by Mali on February 05, 2008 at 05:48:33

    You can probably change the output THD by adjusting the output voltage. If you're careful, there's a small set screw adjustment on the bottom of the PPP near the front panel. Adjust this with a small screwdriver from minimum distortion on the output, ignoring the resulting output voltage which is going to change somewhat.
    
    Call Barrows if you need help.
    
    

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    • RE: PPP problems. - Mali 15:56:38 02/06/08 (0)
      In Reply to: RE: PPP problems. posted by PaulMC on February 05, 2008 at 07:59:51

      Thanks, Paul. When I get the chance I'll call.
      
      

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