Friday 2 April 2021
Lell EP Parametric Equalizer
A 3 band parametric eq from the Soviet Union, anyone? Electronic switching is removed and op amp is altered for normal 8 pin DIP package which replaces the odd dual op amp 14 pin DIP package.
As for R28 which is connecting across the output of the last op amp and ground, the schematic simply says "100". Could be iether 100 ohm or 100k but 100 ohm seems a bit low?
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