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Author Topic: Stereocoder design  (Read 3721 times)

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Re: Stereocoder design
« Reply #15 on: November 25, 2025, 11:12:46 am »
Quote from: Albert H on November 16, 2025, 03:55:07 am
I designed a replacement for the 15kHz filters in the Pro IV, using op-amps with gyrators emulating inductors.  It was published some years ago in EDN.  I'll dig it out and post it here.

is this it?

https://www.edn.com/brick-wall-lowpass-audio-filter-needs-no-tuning/

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