Teisco S-100P Vintage Analog Synthesizer SN 4617

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via this auction

"Up for sale is a rare Teisco S-100P vintage analog monophonic synthesizer from 1979. This is a similar preset synthesizer to the Roland's SH-2000 and the ARP Pro Soloist of the same era, featuring 32 different voices with each voice able to be modified through various effects and touch sensitivities.

The unit appears to be working fine as I tested, all the keys and sound switches and knobs responding fine to the best of my knowledge. Its missing the metal part of the Transpose switch as pictured, the transpose is still switchable but the pitch seem to become slightly unstable when you move the switch, which could do with some servicing. Otherwise no noticeable scratch noise or bad response on the knobs and sliders.

Cosmetically the unit is in nice condition as you can see. There are some wear and marks here and there, with slightly bent switches and light damage on one of the switch heads as shown, but nothing too major. I'm including plenty of pictures so you can see exactly how it looks."