Recent content by raelectron

  1. R

    Tube Op Amps Experience/Interests?

    Here is one example, the Philbrick op amp drives the MOSFET output stage. The offset is held to near zero using a modern op amp as a servo (Jung "Op Amp Cookbook")
  2. R

    Tube Op Amps Experience/Interests?

    A recent eBay listing No.374 962 285 877 shows one possible audio use for a Philbrick op amp, driving a MOSFET output for a power amp.
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