MATRIXSYNTH: ✯CLASSIC✯ Teisco S110F Mono/Duophonic Vintage Synth

Sunday, May 05, 2019

✯CLASSIC✯ Teisco S110F Mono/Duophonic Vintage Synth

via this auction

"Made under licence from ARP- the lo pass VCF is virtually identical in design & sound to the infamous ARP 2600 4012 transistor ladder VCF (the Moog copy!). Twin Osc. both with subsonic capabilities. FM cross modulation (Osc 1 into Osc 2) & ring modulation. White/Pink noise. LFO with vari-shape & Sample & Hold. Two ADSR envelopes. Great filter section with 24db Low pass with resonance (self oscillating-with gorgeous sine wave!), eight octave fixed filter bank finished off with a High pass filter. Duophonic (paraphonic) keyboard with portamento/legato. Touch sensitive (If you happen to be a Gorilla!) modulation pads. CV/Gate in/out & an external input into the filters & VCA.

The two clever bits of the synth's ergonomics are 1.) the five-LED meters to show the amount of modulation of the various sections; and 2.) the little LED arrows showing the amount of actual signal going from sound sources to VCF and VCA. Then of course there is the very unusual onboard fixed filter bank, and the good CV/gate interfacing. This really is one of the most thorough and effective mono/duosynth designs ever.

In good tested working order, some crackle but with use will get better."

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