Posted by caffeinator (A) on July 01, 2009 at 16:59:22

In Reply to: RE: Hmm.... posted by Caucasian Blackplate on July 01, 2009 at 15:33:33

If memory serves, there was some kind of feature built in to the Paramount Power Supply board to allow for switching something - a search of the forum might yield some relevant info.

Found the link - see below.

• http://db.audioasylum.com/cgi/m.mpl?forum=bottlehead&n=11860   (Open in New Window)

Edits: 07/01/09

• RE: Hmm.... - patmcsween@cox.net 06:06:12 07/03/09 (4)
  In Reply to: RE: Hmm.... posted by caffeinator on July 01, 2009 at 16:59:22

  so I think I see where to connect the "switching" wires from the delay board into the psb (replace the jumper), but im at a loss as to where to get 6.3v AC for the board supply.
  

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  • 6.3V AC - Grainger49 06:10:51 07/03/09 (3)
    In Reply to: RE: Hmm.... posted by patmcsween@cox.net on July 03, 2009 at 06:06:12

    There is 6.3V AC going to the heater on the 12AT7, but I don't know if the transformer supports higher current than the 12AT7 uses. That is a question for Paul Joppa.
    
    
    Remember, YOU are the only one who needs to be happy with the sound of your system
    
    Grainger Morrison
    There Is Only One (Grainger Morrison, it seems)
    
    

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    • RE: 6.3V AC - Paul Joppa 13:51:38 07/05/09 (0)
      In Reply to: RE: 6.3V AC posted by Grainger49 on July 03, 2009 at 06:10:51

      Both the Paramount and the Paramour II power transformers are rated for maximum 1.2A rms AC current.
      

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    • RE: 6.3V AC - Caucasian Blackplate 10:45:33 07/03/09 (1)
      In Reply to: RE: 6.3V AC posted by Grainger49 on July 03, 2009 at 06:10:51

      The 6.3v winding should have close to 1A of AC current available (just enough for a 6DN7).
      

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      • That Could Be It ! ! ! - Grainger49 06:43:27 07/04/09 (0)
        In Reply to: RE: 6.3V AC posted by Caucasian Blackplate on July 03, 2009 at 10:45:33

        IIRC the stock driver draws 0.3A for the heater. That leaves 0.7A for the timing circuit.

        That is if you are using the 12AT7 for the driver.

        And follow Caucasian Blackplate's advice concerning what to switch.

        
        Remember, YOU are the only one who needs to be happy with the sound of your system
        
        Grainger Morrison
        There Is Only One (Grainger Morrison, it seems)
        
        

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        Edits: 07/04/09

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