RCA PB-90 MI-4000 Ribbon Microphone
pro_audio
Has sold for €1,700 over 2017–2025, across 11 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. 3 for sale, from €1,822.
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
Price history
Every recorded sale, one point each: 11 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 |
|---|---|---|---|---|---|
| 21 Jun 2025 | €1,291$1,500 as sold | very good |  United States | Reverb | Details |
| 8 Feb 2025 | €949$1,100 as sold | excellent | United States | Reverb | Details |
| 22 Sept 2022 | €1,780$2,064 as sold | excellent |   Netherlands | Reverb | Details |
| 31 Mar 2021 | €1,851$2,150 as sold | good | United States | Reverb | Details |
| 14 Jul 2020 | €2,061$2,400 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and September 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 11 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 28 Sept 2021 | €2,147$2,500 as sold | excellent | United States | Reverb | Details |
| 13 Jul 2020 | €2,325$2,700 as sold | excellent | United States | Reverb | Details |
| 11 Apr 2020 | €1,717$1,999 as sold | good | United States | Reverb | Details |
| 3 Jan 2018 | €1,552$1,800 as sold | good | United States | Reverb | Details |
| 3 Jan 2018 | €1,380$1,600 as sold | very good | United States | Reverb | Details |
| 8 Jul 2017 | €1,638$1,900 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and September 2026.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.
Cheapest live: United States €1,822 · before shipping
11 recorded sales of the RCA PB-90 MI-4000 Ribbon Microphone from 2017–2025, all-time around €1,700. Too few in the last two years to quote a typical used price. Cheapest live €1,822 before shipping. Figures computed 19 October 2026.