Uploaded December 2020 | Updated September 2026, 2 weeks ago

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I borrowed two rare vintage Teisco synthesizers from the early 80s, the 110F and SX-400.

As the former has several videos about it on YouTube, I decided to focus on the latter, which doesn't.

We also look at a curious link to ARP Instruments which has (understandably) caused much confusion.

Thanks to the owner of these two instruments.Thanks also to Florian "Bead Gear" Pilz for the cameo. :)

End track mix by Jakob @Sonic Peak Studio
youtube.com/channel/UCLr3mdFld7xSYVoB61OFTEw
instagram.com/sonicpeak

Drums by JonathanWills
jwillsdrums.co.uk
instagram.com/jwillsdrums

0:00 Intro
1:03 The SX-400
1:50 Poly Modes
3:34 Some Sound Examples
5:14 Portamento & Gliss
5:47 The ARP Patent
7:14 End Performance: "Tableau"