OTL Asylum

Posted by 6AS7_6SN7 (A) on November 04, 2009 at 07:37:33

A German inmate has privately asked to me: what would you recommend to a DIYer interested in building a 20W (or more) OTL amplifier with about 26 dB voltage gain?

And this is my provisional answer that I like to share with all the inmates because the nature of the simulated distortion of this topology resembles the classical circlotron of my previous post.

Simulated spectra will follow for sake of completeness.

Best Regards
Luca Cellai
ecc230

• Spectrum @ 2100mA peak 8 Ohm - 6AS7_6SN7 07:45:09 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 2100mA peak 8 Ohm
  ecc230
  
  

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• Spectrum @ 1750mA peak 8 Ohm - 6AS7_6SN7 07:43:55 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 1750mA peak 8 Ohm
  ecc230
  
  

  ---
• Spectrum @ 1400 mA peak 8 Ohm - 6AS7_6SN7 07:42:55 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 1400 mA peak 8 Ohm
  ecc230
  
  

  ---
• Spectrum @ 1050 mA peak 8 Ohm - 6AS7_6SN7 07:41:46 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 1050 mA peak 8 Ohm
  ecc230
  
  

  ---
• Spectrum @ 700 mA peak 8 Ohm - 6AS7_6SN7 07:40:55 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 700 mA peak 8 Ohm
  ecc230
  
  

  ---
• Spectrum @ 350 mA peak 8 Ohm - 6AS7_6SN7 07:39:48 11/04/09 (0)
  In Reply to: RE: Modified Futterman - a very good performer posted by 6AS7_6SN7 on November 04, 2009 at 07:37:33

  
  
  

  
  Spectrum @ 350 mA peak 8 Ohm
  ecc230
  
  

  ---

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