Synth mods

ModyPoly
Midi retrofit and feature extension for Polysix, Poly-61 and Mono/Poly

Juno-66
Midi retrofit and feature extension for Roland Juno-6 and Juno-60

SH-1oh1
Midi retrofit and feature extension for Roland SH-101

TM62100 KAC
Midi and more for Yamaha SK 15,20,30,50 synths

uniPulse
universal drum machine midi interface

OrganDonor
Midi retrofit for organs and string machines

HiRes
high resolution upgrade for ModyPoly

Polysex
Sound upgrade for Korg Polysix

Korg Delta Midi kit
by Lalaland Synth