Amp/Preamp Asylum

Posted by djk (M) on July 02, 2009 at 17:50:55

In Reply to: RE: Anyone try these Class D amps? posted by Scholl on July 02, 2009 at 15:41:01

I looked at the transformer in their 250W X2 'deal'.

If the amplifier circuit can drive rail-to-rail, the amp MIGHT be able to put out 100W/8R x2, MAYBE.

Buy one and let us know.

Be sure and use a heatsink.

• RE: 100W ? (maybe) - Scholl 07:56:56 07/03/09 (2)
  In Reply to: RE: 100W ? (maybe) posted by djk on July 02, 2009 at 17:50:55

  At the +- 60v rating that's 224 watts at 8 ohms. +-50v gets 150 watts.
  
  I'll have to see if I feel like that kind of project.
  

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  • RE: 100W ? (maybe) - djk 18:53:36 07/03/09 (1)
    In Reply to: RE: 100W ? (maybe) posted by Scholl on July 03, 2009 at 07:56:56

    Their wattage ratings are based on a fully regulated supply, and assume they can swing rail-to-rail.
    
    The 250W x2 (500 x1) kit comes with a 30.9-0-30.9 288VA transformer. There is no way it will do more than 100W/8R.
    

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    • RE: 100W ? (maybe) - Scholl 05:50:29 07/04/09 (0)
      In Reply to: RE: 100W ? (maybe) posted by djk on July 03, 2009 at 18:53:36

      Ya that's only 55 watts. The module specs say up to +-60V.
      

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