Sequential Pro-One 37-Key Monophonic Synthesizer
keyboard
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Why this number?
The typical used price is the median of 62 used sales observed in the last 24 months, with outliers removed and the figure rounded. An observed sale is often the last asking price rather than a confirmed hammer price.
| Typical used price | €1,350 | median sold, rounded |
| Most sold between | €1,200–€1,600 | 25th to 75th percentile, same window |
| Window | last 24 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 62 used sales | thin data, treat as a rough guide |
| By condition | €1,450 | excellent, median of 28 sales, same window |
| same as typical | very good, median of 23 sales, same window | |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €2,294 | typical ask across 19 listings, 70% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €1,550 | 298 used sales, 2015–2026; not used for deals |
| Sales on record | 307 | all-time, all platforms |
Typical prices are rounded (to 5 / 10 / 50 / 100 by size, in whichever currency you read); asks and the chart are exact. As of 19 October 2026. Full method, including what each badge means
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.
Reverb
13 more live · €1,995–€3,465 · typical ask €2,294 · 6 United States · 2 Italy
- €1,99548% over typicalgood ·
United States · Reverb · confirmed 38 h ago - €2,01439% over typicalexcellent ·
Canada · Reverb · confirmed 38 h ago - €2,22253% over typicalexcellent · United States · Reverb · confirmed 38 h ago
- €2,29470% over typicalvery good ·
Sweden · Reverb · confirmed 38 h ago - €2,34061% over typicalexcellent · United States · Reverb · confirmed 38 h ago
- €2,48772% over typicalexcellent · United States · Reverb · confirmed 38 h agocheck this is the same keyboard
- €2,51674% over typicalexcellent ·
Australia · Reverb · confirmed 38 h agocheck this is the same keyboard - €2,57791% over typicalvery good · United States · Reverb · confirmed 38 h agocheck this is the same keyboard
- €2,60880% over typicalexcellent ·
Italy · Reverb · confirmed 38 h agocheck this is the same keyboard - €2,66083% over typicalexcellent ·
Belgium · Reverb · confirmed 38 h agocheck this is the same keyboard - €3,129116% over typicalexcellent · Italy · Reverb · confirmed 38 h agocheck this is the same keyboard
- €3,130132% over typicalvery good ·
Portugal · Reverb · confirmed 38 h agocheck this is the same keyboard - €3,465139% over typicalexcellent · United States · Reverb · confirmed 38 h agocheck this is the same keyboard
Price history
What it sold for, quarter by quarter, since Apr 2016: 294 sales in quarters with at least three, and the bars along the floor show how many each quarter. The shaded band is where the middle half of sales landed.
Recent sales by listing date
62 used sales · last 24 months · middle half €1,200–€1,600 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 30 Aug 2026 | €1,604$1,800 as sold | excellent | United States | Reverb | Details |
| 17 Aug 2026 | €2,187$2,546 as sold | excellent |  United Kingdom | Reverb | Details |
| 22 Jul 2026 | €1,718$2,000 as sold | very good | United States | Reverb | Details |
| 12 Jun 2026 | €2,229$2,595 as sold | very good | United States | Reverb | Details |
| 22 May 2026 | €892$1,038 as sold | fair | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Show the last 50 of 307 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 1 May 2026 | €1,417$1,650 as sold | very good | United States | Reverb | Details |
| 22 Apr 2026 | €1,372$1,597 as sold | excellent | United States | Reverb | Details |
| 27 Mar 2026 | €859$1,000 as sold | good | United States | Reverb | Details |
| 26 Mar 2026 | €1,460$1,700 as sold | very good | United States | Reverb | Details |
| 16 Mar 2026 | €1,885$2,195 as sold | good | United States | Reverb | Details |
| 12 Mar 2026 | €1,288$1,500 as sold | excellent | United States | Reverb | Details |
| 28 Feb 2026 | €1,584$1,844 as sold | fair | United Kingdom | Reverb | Details |
| 21 Feb 2026 | €1,404$1,635 as sold | excellent | United States | Reverb | Details |
| 20 Feb 2026 | €2,295$2,672 as sold | excellent | Italy | Reverb | Details |
| 10 Feb 2026 | €3,024$3,521 as sold | excellent | Belgium | Reverb | Details |
| 1 Feb 2026 | €1,123$1,307 as sold | excellent | United States | Reverb | Details |
| 28 Jan 2026 | €1,202$1,400 as sold | very good | United States | Reverb | Details |
| 25 Jan 2026 | €1,202$1,399 as sold | very good | United States | Reverb | Details |
| 14 Jan 2026 | €1,374$1,600 as sold | very good | United States | Reverb | Details |
| 16 Dec 2025 | €1,584$1,844 as sold | very good | United Kingdom | Reverb | Details |
| 7 Dec 2025 | €1,158$1,300 as sold | excellent | United States | Reverb | Details |
| 25 Nov 2025 | €980$1,100 as sold | good | United States | Reverb | Details |
| 14 Nov 2025 | €1,373$1,599 as sold | very good | United States | Reverb | Details |
| 9 Nov 2025 | €1,718$2,000 as sold | excellent | United States | Reverb | Details |
| 7 Nov 2025 | €1,546$1,800 as sold | very good | United States | Reverb | Details |
| 4 Nov 2025 | €1,202$1,399 as sold | fair | United States | Reverb | Details |
| 27 Oct 2025 | €1,546$1,800 as sold | excellent | United States | Reverb | Details |
| 24 Oct 2025 | €484$563 as sold | new | United Kingdom | Reverb | Details |
| 18 Oct 2025 | €945$1,100 as sold | good | United States | Reverb | Details |
| 16 Oct 2025 | €1,026$1,195 as sold | very good | United States | Reverb | Details |
| 4 Oct 2025 | €1,202$1,399 as sold | very good | United States | Reverb | Details |
| 26 Sept 2025 | €1,031$1,200 as sold | excellent | United States | Reverb | Details |
| 5 Sept 2025 | €1,459$1,699 as sold | very good | United States | Reverb | Details |
| 5 Sept 2025 | €1,030$1,199 as sold | very good | United States | Reverb | Details |
| 3 Aug 2025 | €2,034$2,369 as sold | excellent |  Germany | Reverb | Details |
| 3 Aug 2025 | €1,184$1,379 as sold | excellent | United States | Reverb | Details |
| 2 Aug 2025 | €1,331$1,550 as sold | very good | United States | Reverb | Details |
| 25 Jul 2025 | €1,124$1,309 as sold | very good | United States | Reverb | Details |
| 7 Jul 2025 | €1,417$1,650 as sold | good | United States | Reverb | Details |
| 24 Jun 2025 | €1,353$1,575 as sold | excellent | United States | Reverb | Details |
| 10 Jun 2025 | €2,321$2,703 as sold | excellent |  Spain | Reverb | Details |
| 9 Jun 2025 | €1,460$1,700 as sold | excellent | United States | Reverb | Details |
| 3 Jun 2025 | €1,981$2,307 as sold | very good |  France | Reverb | Details |
| 31 May 2025 | €1,163$1,354 as sold | excellent | United States | Reverb | Details |
| 24 Apr 2025 | €1,545$1,799 as sold | excellent | United States | Reverb | Details |
| 30 Mar 2025 | €1,542$1,795 as sold | excellent | United States | Reverb | Details |
| 14 Mar 2025 | €1,288$1,500 as sold | excellent | United States | Reverb | Details |
| 12 Mar 2025 | €2,556$2,976 as sold | very good | Italy | Reverb | Details |
| 23 Feb 2025 | €1,314$1,530 as sold | excellent | United States | Reverb | Details |
| 29 Jan 2025 | €1,227$1,429 as sold | very good | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: United States €1,599 · Canada €1,866 · Germany €1,961 · Sweden €2,294 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Sellers are asking a median of €2,294 for the Sequential Pro-One 37-Key Monophonic Synthesizer today, 70% over the €1,350 it actually sells for (62 recorded sales, last 24 months; most sold between €1,200 and €1,600). There are 19 listings live right now across Reverb, from €1,599 asking. Figures computed 19 October 2026 by Doirado from cross-platform listing data.