• Re: Ron, did you ever build the Hybrid amplifier Ron W. 09:44:31 12/08/00 (4)
  In Reply to: Ron, did you ever build the Hybrid amplifier posted by Scholl on December 06, 2000 at 13:10:31:

  Yes, we built the Hybrid amp and it sounded great but I decided there wasn't a large enough demand for the product so I turned the design back over to Alan Kimmel.

  I don't know if he'll be doing anything with it or not.

  Ron
  
  

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  • Re: Ron, did you ever build the Hybrid amplifier tecnofossil 08:59:15 12/11/00 (0)
    In Reply to: Re: Ron, did you ever build the Hybrid amplifier posted by Ron W. on December 08, 2000 at 09:44:31:

    I guess the decision to go into production of a given product (in any field)must be a sound business decision which is based upon past sales/market trends. (ah, capitolism!)IMOP, it is too bad that the hybrid tube/mosfet amplifier will not become a Welborne offering. Like it or not, not everyone is a fan of hornloaded/MC speaker designs (and its high efficiency so low power SE amps may be used). For those of us who like 'stats, ribbons and such.... Power with smoothed with tube finesse is a good thing.
    
    
    

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  • Re: Ron, did you ever build the Hybrid amplifier Brian Walsh 23:32:08 12/10/00 (0)
    In Reply to: Re: Ron, did you ever build the Hybrid amplifier posted by Ron W. on December 08, 2000 at 09:44:31:

    Alan Kimmel, who is a member of our group, has brought his hybrid amp for use at some of our meetings. It sounds very good in its own right. I don't know if he would be interested in making it available in any form, although one could always ask. His website is at http://www.ratiocinari.com/TubeLabs
    
    

    • Chicago Audio Society

    
    

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  • Re: Ron, did you ever build the Hybrid amplifier Scholl 06:19:51 12/09/00 (1)
    In Reply to: Re: Ron, did you ever build the Hybrid amplifier posted by Ron W. on December 08, 2000 at 09:44:31:

    Would it be possible to get the output stage schematics? I came across a dozen or so transformers with 84vct 3a 128v 160ma and 6.4 volt windings that might be perfect for this type of aplication.
    
    

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    • Re: Ron, did you ever build the Hybrid amplifier tecnofossil 16:57:43 12/11/00 (0)
      In Reply to: Re: Ron, did you ever build the Hybrid amplifier posted by Scholl on December 09, 2000 at 06:19:51:

      Try the link below. This dude has designed a nifty 50 watt hybrid amplifier using Tube Cad for designing the tube input stage. Built as shown (maybe using Hitachi or perhaps International Rectifier Mosfets), it is a tretty simple design with a pretty low parts count. The Audio Amateur published a article back in 1989 about building a 150 watt mosfet hybrid amp (using Hitachi mosfets....I wonder if a old Hafler 200/220 could be modified? Same output devices)

      Enjoy!
      

      • Hybrid tube/mosfet amp

      
      

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