Sequential OB-6 Keyboard 6-Voice Polyphonic Analog Synthesizer
keyboard
Typical usedNo typical price yet
Not enough sold data for a typical price.
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Not enough sold data for a typical price. 2 for sale, from €2,622. Closest new: Sequential OB-6, €3,111 at Thomann.
For sale right now
The best-priced as cards, a row of them; every other ad as a line, by ask. Each ask is the seller’s own number; the platform’s mark opens the listing. Each one says when we last confirmed it at its source: the price and availability are from that visit, so check the marketplace before you go.
eBay United StatesCheapest live: 
United States €2,622 · before shipping
Cheapest live €2,622 before shipping. Figures computed 19 October 2026.
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