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A75 Class A MOSFET Power Amplifier Front End Board (PCB only, no parts)

A75 Class A MOSFET Power Amplifier Front End Board (PCB only, no parts)

Regular price $14.97 USD
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  • Front end for an all MOSFET, pure Class A stereo audio power amplifier.
  • Designed by Nelson Pass and Norman Thagard.
  • 75 Watts per channel.
  • All through hole, easy to assemble PCB.
  • One board holds the front end for two channels.
  • The board closely follows the published design.
  • Bare board only.
  • Parts are not included and need to be obtained separately.
  • Assembly is required.
  • The output stage (originally, 12 pairs of IRF230+IRF9231 power MOSFETs per channel; today, six pairs of IRFP240+IRFP9240 per channel offer a similar performance) needs to be assembled off board.

References:

  • The original article by Nelson Pass and Norman Thagard: Part 1 and Part 2.
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