Marantz 20B Value & Price History
As of 2026-09-21, a Marantz 20B is currently listed at around $1,224.99. Based on 1 active eBay listings (asking prices, not sold).
Price history
Asking median is roughly flat over the last 45 days ($1,224.99 → $1,224.99).
View as table
| Date | Asking | Restored | Sold |
|---|---|---|---|
| 2026-08-08 | $1,224.99 | — | — |
| 2026-08-25 | $1,224.99 | — | — |
| 2026-08-28 | $1,224.99 | — | — |
| 2026-08-31 | $1,224.99 | — | — |
| 2026-09-03 | $1,224.99 | — | — |
| 2026-09-06 | $1,224.99 | — | — |
| 2026-09-09 | $1,224.99 | — | — |
| 2026-09-12 | $1,224.99 | — | — |
| 2026-09-15 | $1,224.99 | — | — |
| 2026-09-18 | $1,224.99 | — | — |
| 2026-09-21 | $1,224.99 | — | — |
Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.
Specifications
| Years produced | 1970–1973 |
| Type | Tuner |
| Brand | Marantz |
| Original MSRP | 900 (1970) |
| Inflation-adjusted | ~$7,350 today |
| Currently listed (asking) | $1,224.99 |
| Value vs MSRP | +36% |
Parts & supplies
Common maintenance items for the Marantz 20B. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Marantz 20B dial lamp kit on eBay →
- Marantz 20B capacitor recap kit on eBay →
- DeoxIT D5 — cleans oxidized contacts, quiets scratchy controls on Amazon →
- FM dipole antenna — most tuners need one to perform properly on Amazon →
- FM signal amplifier — only needed if reception is weak with a direct antenna on Amazon →
Purchases through these links may earn StereoWorth a small commission at no extra cost to you. See our affiliate disclosure. Repair budgeting: what vintage stereo repair actually costs.
Comparable models
- Marantz 10B $7,500
- Marantz 2130 $335
- Marantz 125 $28
Current listings
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