Here is a vintage 1978 Jen GS-3000 Syntar electric guitar synthesizer. This particular example, serial number 013, is in very excellent all original condition and includes; the original case, the original pickup and cable, and the original template settings cards. The JEN Syntar is a very powerful Moog-style mono-synth, having been modeled after the MiniMoog, and features: (2) VCOs utilizing triangle, saw, and square wave forms, relative tuning for 5ths and 7ths, independent ADR envelopes for the VCA and VCF, an LFO, and a Glide control. This particular desktop synth unit is quite rare, and this is an extremely early production example. The original pickup includes a non-original plastic surround.
As mentioned, the design for Jen Syntar was inspired by the Moog MiniMoog, and is effectively a similar sounding mono-synth created specifically for guitar. It has the basic signal-layout of the old Moog. Instead of a keyboard there is a 6-pin dim input jack on the front for the original glue-on guitar pickup. It is a simple but quite powerful mono-synth. Two VCOs capable of tri, saw and pulse/square waves. VCO2 is tuned relative to VCO1 for 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).
These rarely come available for purchase, and this particular unit has been completely serviced and calibrated. Since the Jen Syntar was originally produced in Italy for European distribution, it is setup for 220v.