Pioneer SA-420 Value & Price History
As of 2026-10-06, a Pioneer SA-420 has a market value at around $329. Based on 53 estimated sales.
Price history
Asking median is down 38% over the last 60 days ($290.99 → $179).
View as table
| Date | Asking | Restored | Sold |
|---|---|---|---|
| 2026-08-08 | $290.99 | $1,050 | — |
| 2026-09-01 | — | — | $370 |
| 2026-09-05 | — | — | $370 |
| 2026-09-09 | — | — | $370 |
| 2026-09-13 | — | — | $370 |
| 2026-09-17 | $189 | — | $370 |
| 2026-09-21 | $179 | — | $339 |
| 2026-09-25 | $179 | — | $339 |
| 2026-09-29 | — | — | $329 |
| 2026-10-03 | — | — | $329 |
| 2026-10-06 | — | — | $329 |
Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.
Specifications
| Years produced | 1978–1981 |
| Power output | 20 wpc (8 ohms) |
| Type | Amplifier |
| Brand | Pioneer |
| Original MSRP | 180 (1978) |
| Inflation-adjusted | ~$850 today |
| Market value (sold) | $329 |
Buying notes
20-watt entry Pioneer integrated. DC-coupled. Recap $130-200. Check DC offset before connecting speakers. Basic functionality; good for efficient speakers in small rooms.
Parts & supplies
Common maintenance items for the Pioneer SA-420. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Pioneer SA-420 capacitor recap kit on eBay →
- Pioneer SA-420 replacement knobs on eBay →
- Fuses for the Pioneer SA-420 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 SA-508 $400
- Pioneer SA-608 $390
- Pioneer SA-7500 $27
Current listings
Live listing data loads after the next price sync.
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