Sequential Circuits Pro One - SN 1446 Miscellaneous 15 watts with reverb and

15 watts with reverb and tremolo

As a result

The unit is completely analogue and uses multiple types of diodes and amplification devices from Germanium to Silicon and light-emitting diodes

what would it look like inside

Very nice example of one of the best flangers ever made - superb sound and great versatility: subtle shimmering

Sequential Circuits Pro One - SN 1446 Miscellaneous 15 watts with reverb andSequential Circuits Pro One rebuilt vintage analogue monosynth with Kenton MIDI & Fatar keybed (SN 1446). This is the best example you could wish to find: updated and future proofed. For sale: an expertly rebuilt and fully overhauled Sequential Circuits Pro One analogue synthesizer serial number 1446 fitted with a Kenton MIDI kit and upgraded with a brand new Fatar keybed for enhanced playability and long term reliability. See the Product Details