Octave-Plateau Voyetra-8 rev4 & VPK-5 SN GM4806

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via this Vemia listing

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"Ultra-rare Voyetra Eight analogue polysynth, complete with its even rarer VPK-5 companion keyboard. Serial number GM4806. We think this is a rev 4. The Voyetra sounds great, but autotune is sometimes a bit slow and sometimes painful. Occasionally (after 20 minute warm-up) it runs through the process without any trouble, but other times it can need many repeated attempts. (The auto-tune log from March: 29/3 evening: 3 attempts, 16 voices tuned. 30/3 morning: 12 attempts, 16 voices tuned.) The keyboard has one slightly raised key, and is very clacky - could do with rebushing, which we will leave to the new owner. There has been an issue with the X-Mod axis on the joystick - which might be a V8 issue rather than a keyboard fault - but we think it may have resolved itself. ***UPDATE: no - it's working over MIDI but not from the keyboard's joystick.***
Cosmetically the keyboard is very nice, and the Voyetra Eight front panel too, but the V8 white casing (like every example I've seen in the last 20 years) is looking a bit sad. I can't help thinking using white wasn't the best choice.

Not a big issue when you have the chance to pick up one of the rarest and nicest sounding synths ever. Originally US power, but changed to UK/Euro (switchable internally). Supply your own IEC mains lead. MIDI is on XLR - we will supply a lead for the keyboard and two to link the V8 with other standard 5-pin MIDI controller devices.

We will pack with the utmost care, but low-volume vintage synths , particularly card-frame designs like this and the Korg PS series, are likely to need cards re-seated and/or expert re-calibration if couriered. Please factor that in to your bid amount. Packing 36GBP."