Butler Audio Amps - "specialized" tube circuitry? Anyone have any experience with them? Just a gimmick?
Jul 3, 2011 at 10:41 PM Post #2 of 2
It is wise of the MFR to protect themselves from the "any octal tube, any octal socket" brigade. 
 
Regardless of that, look into the reliability of those amps in general.
 

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