Dr. Z Z-40
amp
Not enough sold data for a typical price — 8 sales on record all-time.
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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: 8 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 |
|---|---|---|---|---|---|
| 31 May 2026 | €1,460$1,700 as sold | excellent |  United States | Reverb | Details |
| 25 May 2026 | €1,713$1,995 as sold | excellent | United States | Reverb | Details |
| 23 Aug 2025 | €1,503$1,750 as sold | mint | United States | Reverb | Details |
| 17 Aug 2025 | €1,361$1,585 as sold | mint | United States | Reverb | Details |
| 28 Jul 2025 | €1,631$1,899 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and September 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 8 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 23 May 2026 | €1,549$1,800 as sold | excellent | United States | Reverb | Details |
| 15 May 2026 | €1,503$1,750 as sold | excellent | United States | Reverb | Details |
| 20 Dec 2025 | €1,502$1,749 as sold | excellent | 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and September 2026.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.