Amp/Preamp Asylum

• The watt meter is called "Watts Up?" See info here. - AbeCollins 15:53:20 09/29/04 (3)
  In Reply to: Could you tell me how you measure the current the amp is drawing at different bias levels? posted by Mr Vinyl on September 29, 2004 at 05:52:07:

  There are less expensive basic wattmeters available. They've become popular with consumers who are into energy conservation or simply knowing what their appliances consume. I've seen these in department stores and mail order catalogs, airline in-flight catalogs, etc. This is not the brand I have but here's a link for you: http://www.ahernstore.com/p4400.html

  Mine is a unit call Watts Up? Pro. In addition to a basic wattmeter, it has cost per KW/Hr output, power factor, etc. It also has a PC interface with basic datalogging and charting capability. You can read more about it at the website link below.

  Watts Up? Pro wattmeter / datalogger. This is what I used
  
  Accuphase DP-65v -> PS Audio PCA-2 Pre -> AES/Cary SixPac tube amps -> Tannoy D500 spkrs
  

  • Watts Up? Pro Model   (Open in New Window)

  
  

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  • I assume you didn't do any serious listening/evaluating with such a device in the chain? nt - bjh 15:01:21 10/04/04 (1)
    In Reply to: The watt meter is called "Watts Up?" See info here. posted by AbeCollins on September 29, 2004 at 15:53:20:

    .
    
    

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    • Re: I assume you didn't do any serious listening/evaluating with such a device in the chain? nt - AbeCollins 23:51:00 10/04/04 (0)
      In Reply to: I assume you didn't do any serious listening/evaluating with such a device in the chain? nt posted by bjh on October 04, 2004 at 15:01:21:

      The wattmeter 'in the chain' has zero effect on the sonics as best I can tell. It's not like the device is in the 'audio chain'. It's inline with the AC power cord.

      But to answer your question, for most of my listening evaluation the wattmeter was not inline. It was there only to measure power consumption at the different bias levels.
      Accuphase DP-65v -> PS Audio PCA-2 Pre -> AES/Cary SixPac tube amps -> Tannoy D500 spkrs
      
      

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  • Wow, thanks a lot. (NT) - Mr Vinyl 19:23:43 09/29/04 (0)
    In Reply to: The watt meter is called "Watts Up?" See info here. posted by AbeCollins on September 29, 2004 at 15:53:20:

    NT
    
    

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