Pioneer SX-939 Value & Price History
As of 2026-09-21, a Pioneer SX-939 has a market value at around $17; restored examples average $799. Based on 209 estimated sales.
Price history
Asking median is up 21% over the last 45 days ($899.99 → $1,088).
View as table
| Date | Asking | Restored | Sold |
|---|---|---|---|
| 2026-08-08 | $899.99 | $1,175 | — |
| 2026-08-25 | $787 | — | — |
| 2026-08-28 | $899 | — | — |
| 2026-08-31 | $839.99 | — | $19 |
| 2026-09-03 | $1,070 | — | $17 |
| 2026-09-06 | $1,300 | — | $17 |
| 2026-09-09 | $1,025 | — | $17 |
| 2026-09-12 | $1,025 | — | $17 |
| 2026-09-15 | $1,025 | — | $17 |
| 2026-09-18 | $1,025 | $799 | $17 |
| 2026-09-21 | $1,088 | $799 | $17 |
Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.
Specifications
| Years produced | 1974–1976 |
| Power output | 80 wpc (8 ohms) |
| Type | Receiver |
| Brand | Pioneer |
| Original MSRP | 550 (1974) |
| Inflation-adjusted | ~$3,500 today |
| Market value (sold) | $17 |
| Currently listed (asking) | $1,088 |
| Restored value | $799 |
| Value vs MSRP | +98% |
Buying notes
80-watt mid-1970s SX receiver. Shares the solid chassis of the silver-face era. Recap $220-340. Check DC offset, channel balance, and tuner reception. Sits between the SX-880 and SX-950 in the lineup.
Parts & supplies
Common maintenance items for the Pioneer SX-939. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Pioneer SX-939 dial lamp kit on eBay →
- Pioneer SX-939 capacitor recap kit on eBay →
- Fuses for the Pioneer SX-939 on eBay →
- DeoxIT D5 — cleans oxidized contacts, quiets scratchy pots on Amazon →
- Multimeter — check DC offset before connecting speakers on Amazon →
- Speaker wire 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
- Pioneer SX-980 $27
- Pioneer SX-990 $23
- Pioneer SX-950 $30
Current listings
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