An old graphic equalizer from the former Chechoslovakia. For more fidelity, LM741 could with subbed with TL071 or other low noise single op amps.
Tesla AYZ-030 Graphic Equalizer
Tools, Tones and Toys for Guitarists
An old graphic equalizer from the former Chechoslovakia. For more fidelity, LM741 could with subbed with TL071 or other low noise single op amps.