• on Audio/Video/Photography
  • Published in issue 7/2012 on page 36
About the article

DC Protection for Speakers

DC Protection for Speakers

I’m in the process of building myself a single-ended class A MOSFET amplifier consisting of two mono blocks, and I don’t want to use a coupling capacitor between amplifier and the speaker. So I needed a circuit that would protect the speaker against DC voltages.

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