Mad Professor One
pedal
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Why this number?
The typical used price is the median of 11 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 | €100 | median sold, rounded |
| Most sold between | €80–€110 | 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 | 11 used sales | thin data, treat as a rough guide |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €90 | 41 used sales, 2014–2026; not used for deals |
| Sales on record | 42 | 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 18 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.
eBay Germany
eBay United StatesPrice history
Every recorded sale, one point each: 42 of them, placed by the day the ad went up. Too few sales to draw a trend through them without inventing one, so the points speak for themselves. Condition is mixed, so some of the spread is a mint against a fair rather than the market moving.
Recent sales by listing date
11 used sales · last 24 months · middle half €80–€110 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 28 Aug 2026 | €76$85 as sold | very good |  United States | Reverb | Details |
| 27 Aug 2026 | €159$178 as sold | excellent |  United Kingdom | Reverb | Details |
| 28 Jul 2026 | €72$80 as sold | excellent | United States | Reverb | Details |
| 22 Apr 2026 | €91$103 as sold | very good |  Canada | Reverb | Details |
| 12 Jun 2025 | €187$210 as sold | new |   Netherlands | 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026.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 all 42 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 10 Jun 2026 | €71$80 as sold | excellent | United States | Reverb | Details |
| 10 Feb 2026 | €89$100 as sold | very good | United States | Reverb | Details |
| 29 Apr 2025 | €107$120 as sold | mint | United States | Reverb | Details |
| 23 Apr 2025 | €125$140 as sold | excellent | United States | Reverb | Details |
| 18 Apr 2025 | €107$120 as sold | mint | United States | Reverb | Details |
| 6 Jan 2025 | €112$125 as sold | excellent | United States | Reverb | Details |
| 4 Nov 2024 | €102$115 as sold | excellent | United States | Reverb | Details |
| 23 Sept 2024 | €134$150 as sold | mint | United States | Reverb | Details |
| 14 Aug 2024 | €80$90 as sold | good | United States | Reverb | Details |
| 9 Jun 2024 | €67$75 as sold | very good | United States | Reverb | Details |
| 3 Feb 2024 | €106$119 as sold | excellent | United States | Reverb | Details |
| 24 Oct 2023 | €133$149 as sold | mint | United States | Reverb | Details |
| 18 Apr 2023 | €127$143 as sold | excellent | United States | Reverb | Details |
| 27 Mar 2023 | €107$120 as sold | very good | United States | Reverb | Details |
| 19 Feb 2023 | €116$130 as sold | excellent | United States | Reverb | Details |
| 8 Dec 2022 | €138$155 as sold | mint | United States | Reverb | Details |
| 16 Jul 2022 | €147$165 as sold | very good | Canada | Reverb | Details |
| 11 Jul 2022 | €197$221 as sold | excellent | United Kingdom | Reverb | Details |
| 10 Jun 2021 | €111$125 as sold | excellent | United States | Reverb | Details |
| 21 Apr 2021 | €130$145 as sold | mint | United States | Reverb | Details |
| 1 Feb 2021 | €107$120 as sold | very good | United States | Reverb | Details |
| 30 Jul 2019 | €75$85 as sold | excellent | United States | Reverb | Details |
| 13 Jun 2019 | €66$77 as sold | mint | United States | Reverb | Details |
| 21 Jul 2018 | €81$90 as sold | mint | United States | Reverb | Details |
| 31 May 2018 | €81$90 as sold | excellent | United States | Reverb | Details |
| 29 May 2018 | €89$100 as sold | mint | United States | Reverb | Details |
| 13 Apr 2018 | €75$84 as sold | excellent | United States | Reverb | Details |
| 11 Apr 2018 | €45$50 as sold | very good | United States | Reverb | Details |
| 29 Oct 2017 | €80$90 as sold | excellent | United States | Reverb | Details |
| 23 Oct 2017 | €89$100 as sold | mint | United States | Reverb | Details |
| 13 Mar 2017 | €98$110 as sold | excellent | United States | Reverb | Details |
| 7 Nov 2016 | €58$65 as sold | very good | United States | Reverb | Details |
| 28 Feb 2016 | €67$75 as sold | excellent | United States | Reverb | Details |
| 21 Jul 2015 | €60$70 as sold | mint | United States | Reverb | Details |
| 30 Mar 2015 | €53$60 as sold | mint | United States | Reverb | Details |
| 20 Sept 2014 | €91$105 as sold | excellent | United States | Reverb | Details |
| 6 Sept 2014 | €98$110 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: 
Germany €250 · 
Japan €331 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
The Mad Professor One sold for a median of €100 over the last 24 months across 11 recorded sales, with most examples landing between €80 and €110. There are 2 listings live right now across eBay Germany, eBay United States, from €250 asking. Figures computed 18 October 2026 by Doirado from cross-platform listing data.