Part 1 – Ovation Symphony Line Preamplifier V1.0

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2 Responses

  1. Richard December 15, 2017 at 10:38 pm ·

    Thank you for a truly exceptional piece of writing. It is wonderfully informative and educational.

    May I ask a possibly silly question? What is the RFB to which you refer in the headphone amplifier section (component number U4)? To my knowledge, the U designation means an integrated circuit of some kind.

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