Straight up trade for the 8 voice, I will add in $600 for the 16 voice. I have one too many mono synths. Love the Subsequent but am coveting a 61 key modern poly synth. I've had mine about a week too long to return it, but haven't done as much patching on it as my also new MatrixBrute or trusty Voyager, so that is the one to go.
PM me if interested, and we'll figure out the logistics.
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Vintage Vibe 64 EP, Fender Twin, Forte 7, Mojo 61, DotCom Modular, OB-6, Chroma Polaris, Kemper Profiler, Hammond A100/147, Vent ,Farfisa VIP, Wurlitzer 7300, Young Chang 6', Moog Voyager, E7 Clav