RCA Type KU-3A Model MI-10001 Unidirectional Ribbon Microphone
pro_audio
Has sold for €6,700 over 2016–2023, across 17 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. 7 for sale, from €8,887.
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 States
eBay Germany
1 more live · €11,588–€11,588 · typical ask €11,203
Price history
Every recorded sale, one point each: 17 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 |
|---|---|---|---|---|---|
| 9 Oct 2023 | €11,166$13,000 as sold | very good |  United States | Reverb | Details |
| 9 Sept 2023 | €9,276$10,800 as sold | good | United States | Reverb | Details |
| 23 Apr 2023 | €14,172$16,500 as sold | excellent | United States | Reverb | Details |
| 17 Feb 2023 | €6,022$6,999 as sold | very good | United States | Reverb | Details |
| 19 Jan 2022 | €14,601$17,000 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and September 2026.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.
Show all 17 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 19 Jan 2022 | €6,673$7,750 as sold | very good | United States | Reverb | Details |
| 14 Mar 2021 | €6,681$7,765 as sold | good |  United Kingdom | Reverb | Details |
| 14 Mar 2021 | €6,681$7,765 as sold | good | United Kingdom | Reverb | Details |
| 25 Feb 2021 | €7,730$9,000 as sold | excellent | United States | Reverb | Details |
| 15 Dec 2020 | €7,314$8,500 as sold | excellent | United States | Reverb | Details |
| 24 Jun 2019 | €7,773$8,999 as sold | excellent | United States | Reverb | Details |
| 1 Mar 2019 | €6,045$6,999 as sold | very good | United States | Reverb | Details |
| 22 Aug 2018 | €6,478$7,500 as sold | excellent | United States | Reverb | Details |
| 22 Jun 2018 | €6,269$7,299 as sold | excellent | United States | Reverb | Details |
| 12 Jan 2018 | €7,648$8,888 as sold | excellent |  South Korea | Reverb | Details |
| 16 Sept 2016 | €3,105$3,595 as sold | excellent | United States | Reverb | Details |
| 14 Apr 2016 | €5,614$6,500 as sold | mint |  Thailand | 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.
Cheapest live: United States €8,887 · 
Japan €11,168 · before shipping
17 recorded sales of the RCA Type KU-3A Model MI-10001 Unidirectional Ribbon Microphone from 2016–2023, all-time around €6,700. Too few in the last two years to quote a typical used price. Cheapest live €8,887 before shipping. Figures computed 19 October 2026.