Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium Duet
parts
Has sold for €60 over 2020–2025, across 13 used sales. Too few in the last two years for a typical price today.
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Not enough sold data for a typical price.
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.
Nothing live right now on the platforms we track.
Price history
Every recorded sale, one point each: 29 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
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 11 May 2025 | €72$83 as sold | new |  Canada | Reverb | Details |
| 23 Apr 2025 | €108$125 as sold | mint |  United States | Reverb | Details |
| 12 Feb 2025 | €94$110 as sold | mint | United States | Reverb | Details |
| 30 Aug 2024 | €86$100 as sold | good | United States | Reverb | Details |
| 22 Apr 2024 | €33$38 as sold | excellent | Canada | 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026.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 29 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 3 Sept 2024 | €26$30 as sold | mint | United States | Reverb | Details |
| 16 Oct 2023 | €121$140 as sold | new | United States | Reverb | Details |
| 26 Sept 2023 | €82$95 as sold | mint | United States | Reverb | Details |
| 22 Aug 2023 | €43$50 as sold | good | United States | Reverb | Details |
| 13 Feb 2023 | €86$100 as sold | excellent | United States | Reverb | Details |
| 21 Jan 2023 | €52$60 as sold | excellent | United States | Reverb | Details |
| 2 Oct 2022 | €129$150 as sold | excellent | United States | Reverb | Details |
| 28 Sept 2022 | €67$78 as sold | new | United States | Reverb | Details |
| 30 Jul 2022 | €86$100 as sold | new | United States | Reverb | Details |
| 20 Jun 2022 | €86$100 as sold | mint | United States | Reverb | Details |
| 17 Mar 2022 | €121$140 as sold | new | United States | Reverb | Details |
| 11 Jan 2022 | €86$100 as sold | new | United States | Reverb | Details |
| 15 Dec 2021 | €95$110 as sold | new | United States | Reverb | Details |
| 29 Sept 2021 | €17$20 as sold | fair | United States | Reverb | Details |
| 8 Nov 2020 | €43$50 as sold | mint | Canada | Reverb | Details |
| 28 Sept 2020 | €152$177 as sold | new |   Netherlands | Reverb | Details |
| 7 Sept 2020 | €64$75 as sold | new | United States | Reverb | Details |
| 3 Sept 2020 | €86$100 as sold | new | United States | Reverb | Details |
| 7 Mar 2020 | €58$68 as sold | mint | Canada | Reverb | Details |
| 16 Jan 2020 | €151$174 as sold | new | Netherlands | Reverb | Details |
| 30 May 2019 | €152$170 as sold | new |  United Kingdom | Reverb | Details |
| 9 Sept 2018 | €60$69 as sold | new | United States | Reverb | Details |
| 22 May 2018 | €216$250 as sold | new | United States | Reverb | Details |
| 12 Feb 2017 | €129$150 as sold | new | 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.
13 recorded sales of the Groove Tubes Gold Series GT-6550-R Matched Power Tubes Medium Duet from 2020–2025, all-time around €60. Too few in the last two years to quote a typical used price. Figures computed 19 October 2026.