Yamaha CS-15 37-Key Monophonic / Duophonic Analog Synthesizer
keyboard
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Why this number?
The typical used price is the median of 29 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 | €860 | median sold, rounded |
| Most sold between | €750–€950 | 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 | 29 used sales | thin data, treat as a rough guide |
| By condition | same as typical | excellent, median of 10 sales, same window |
| €940 | very good, median of 16 sales, same window | |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €1,053 | typical ask across 16 listings, 22% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €820 | 170 used sales, 2016–2026; not used for deals |
| Sales on record | 170 | 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 20 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
eBay United States
eBay Germany
10 more live · €935–€2,301 · typical ask €1,053 · 6 Japan · 2 Italy
- €9359% over typicalexcellent ·
United States · Reverb · confirmed 17 h ago - €1,04221% over typicalgood ·
Japan · Reverb · confirmed 17 h ago - €1,06424% over typicalgood · Japan · eBay United States · confirmed 2 days ago
- €1,06914% over typicalvery good · Japan · Reverb · confirmed 17 h ago
- €1,10528% over typicalgood · Japan · eBay United States · confirmed 2 days ago
- €1,13632% over typicalgood · Japan · Reverb · confirmed 17 h ago
- €1,15823% over typicalvery good · Japan · Reverb · confirmed 17 h ago
- €1,36045% over typicalvery good ·
France · Reverb · confirmed 17 h ago - €1,777107% over typicalmint ·
Italy · Reverb · confirmed 17 h agocheck this is the same keyboard - €2,301168% over typicalmint · Italy · Reverb · confirmed 17 h agocheck this is the same keyboard
Price history
What it sold for, quarter by quarter, since Oct 2017: 151 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
29 used sales · last 24 months · middle half €750–€950 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 30 Jul 2026 | €949$1,100 as sold | very good | United States | Reverb | Details |
| 14 Jul 2026 | €772$899 as sold | very good | Japan | Reverb | Details |
| 24 Jun 2026 | €752$875 as sold | fair | United States | Reverb | Details |
| 16 Apr 2026 | €940$1,095 as sold | excellent | United States | Reverb | Details |
| 17 Nov 2025 | €859$1,000 as sold | mint | 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 September 2026. A price is what the listing last asked, converted at that day’s rate.
Show the last 50 of 170 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 18 May 2026 | €1,096$1,276 as sold | very good |  United Kingdom | Reverb | Details |
| 17 Apr 2026 | €945$1,100 as sold | very good | Japan | Reverb | Details |
| 29 Mar 2026 | €1,137$1,324 as sold | very good |  Czechia | Reverb | Details |
| 9 Mar 2026 | €664$773 as sold | very good | United States | Reverb | Details |
| 9 Oct 2025 | €1,062$1,237 as sold | very good |  Denmark | Reverb | Details |
| 27 Sept 2025 | €1,669$1,943 as sold | very good | Italy | Reverb | Details |
| 18 Aug 2025 | €756$880 as sold | very good | Japan | Reverb | Details |
| 3 Aug 2025 | €799$930 as sold | very good | Japan | Reverb | Details |
| 8 Jul 2025 | €687$800 as sold | very good | Japan | Reverb | Details |
| 28 Jun 2025 | €945$1,100 as sold | very good | Japan | Reverb | Details |
| 10 Apr 2025 | €897$1,044 as sold | very good | Japan | Reverb | Details |
| 2 Apr 2025 | €670$780 as sold | excellent | Japan | Reverb | Details |
| 2 Apr 2025 | €859$1,000 as sold | excellent | Japan | Reverb | Details |
| 21 Mar 2025 | €901$1,049 as sold | excellent | United States | Reverb | Details |
| 11 Mar 2025 | €1,202$1,400 as sold | excellent | Japan | Reverb | Details |
| 27 Feb 2025 | €730$850 as sold | excellent | Japan | Reverb | Details |
| 15 Feb 2025 | €711$828 as sold | very good | United States | Reverb | Details |
| 9 Feb 2025 | €945$1,100 as sold | very good | Japan | Reverb | Details |
| 27 Jan 2025 | €1,304$1,518 as sold | very good |  Lithuania | Reverb | Details |
| 18 Jan 2025 | €859$1,000 as sold | excellent | Japan | Reverb | Details |
| 10 Jan 2025 | €1,042$1,213 as sold | excellent |  Sweden | Reverb | Details |
| 3 Jan 2025 | €644$750 as sold | good | United States | Reverb | Details |
| 30 Dec 2024 | €730$850 as sold | excellent | United States | Reverb | Details |
| 8 Nov 2024 | €760$885 as sold | excellent | United States | Reverb | Details |
| 18 Oct 2024 | €713$830 as sold | excellent | Japan | Reverb | Details |
| 18 Oct 2024 | €730$850 as sold | excellent | Japan | Reverb | Details |
| 24 Sept 2024 | €601$700 as sold | good | United States | Reverb | Details |
| 24 Sept 2024 | €1,159$1,350 as sold | excellent | United States | Reverb | Details |
| 31 Aug 2024 | €687$800 as sold | excellent | Japan | Reverb | Details |
| 14 Aug 2024 | €859$1,000 as sold | excellent | Japan | Reverb | Details |
| 3 Jul 2024 | €1,147$1,335 as sold | very good |  Finland | Reverb | Details |
| 16 Jun 2024 | €934$1,088 as sold | excellent | Japan | Reverb | Details |
| 6 Jun 2024 | €898$1,045 as sold | very good | United States | Reverb | Details |
| 30 Apr 2024 | €558$650 as sold | excellent | Japan | Reverb | Details |
| 14 Mar 2024 | €858$999 as sold | excellent | United States | Reverb | Details |
| 13 Mar 2024 | €1,031$1,200 as sold | very good | Japan | Reverb | Details |
| 5 Mar 2024 | €764$889 as sold | excellent | United States | Reverb | Details |
| 21 Feb 2024 | €600$699 as sold | fair | United States | Reverb | Details |
| 17 Feb 2024 | €1,252$1,458 as sold | excellent |  Croatia | Reverb | Details |
| 30 Jan 2024 | €509$590 as sold | good | Japan | Reverb | Details |
| 22 Dec 2023 | €945$1,100 as sold | mint | United States | Reverb | Details |
| 30 Nov 2023 | €858$999 as sold | excellent | Japan | Reverb | Details |
| 1 Nov 2023 | €730$850 as sold | good |  Venezuela | Reverb | Details |
| 16 Oct 2023 | €730$850 as sold | excellent | Japan | Reverb | Details |
| 15 Oct 2023 | €1,159$1,349 as sold | 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 September 2026. A price is what the listing last asked, converted at that day’s rate.
Where it’s cheapest right now
What sellers are asking today, by country. Asking prices, not sales; shipping, fees and any customs or import VAT between you and the seller are not included.
| Country | Live | Median ask | Cheapest ask | Cheapest vs typical |
|---|---|---|---|---|
 Hong Kong SAR China | 1 | €712 | €712 | €148 under (17%) |
| Japan | 11 | €1,042 | €873 | 2% over typical |
| United States | 1 | €935 | €935 | 9% over typical |
| France | 1 | €1,360 | €1,360 | 58% over typical |
| Italy | 2 | €2,039 | €1,777 | 107% over typical |
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
The Yamaha CS-15 37-Key Monophonic / Duophonic Analog Synthesizer sold for a median of €860 over the last 24 months across 29 recorded sales, with most examples landing between €750 and €950. There are 16 listings live right now across Reverb, eBay United States, eBay Germany, from €712 asking, a median ask 22% over the sale median. Figures computed 20 October 2026 by Doirado from cross-platform listing data.