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Jen GS-3000 Syntar

made in Pescara/Italy 1978

Jen GS-3000 Syntar, 1978

The Jen Syntar is - put it simple - a Minimoog rip-off for guitarists. The basic signal layout approximates the old moog. Instead of a keyboard a hexaphonic pick-up triggers two VCOs, thus making it a simple but quite powerful mono-synth. Both VCOs are capable of tri, saw and pulse/square waves. VCO2 is tuned relatively to VCO1 in order to obtain some fat detuning or those classic 5ths and 7ths. Sound is fed though a lowpass VCF (24dB/oct) before reaching the VCA. VCA and VCF have independent envelopes of the atypical ADS variety (no release).The GS-3000 Syntar is created specifically for guitar. Instead of a keyboard there is a 6-pin dim input jack on the front for the original glue-on hexaphonic guitar pickup.

Jen GS-3000 Syntar schematics
PDF-Dokument [1.4 MB]

Sorry, no guitar demo available, just a clip of a Syntar modified for keyboard - anyway, it gives a good idea of the featured sounds.

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02/25/2017: ToneHome is looking for an Ibanez CS-505 narrow box first issue with flying fingers side graphic. Any hint is highly appreciated. Other than that we're looking for boxed effects or just boxes for Ibanez narrow box GE-601, AD-80, CP-835, OD-850. Please submit your offers or leads here: e-mail

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