Available as an assembled Module and as a DIY project.
This Module is currently available.
Sharp Cutoff Filter Model 191 clone
Sharp Cutoff Filter Model 191 clone.
La Sesenta y Siete 191 Sharp Cutoff Filter Module is a voltage controlled highpass and lowpass filters with 24 db/octave slopes . Cutoff frequencies are variable from 5 cps to 20 kc with no range switching . Also functions as a bandpass filter with voltage controlled center frequency and bandwidth
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H_fner Model 191$4,464.99
Marshall Model 1917 PA20$5,000
Roland SYSTEM-100M Model 191-J$1,799.99
ART 191$349
These merchants probably sell this module. Huh?
Washburn Model 1915
Marshall Model 1912 Lead 1x12