Pioneer SA-420 Value & Price History

As of 2026-09-21, a Pioneer SA-420 has a market value at around $339. Based on 51 estimated sales.

Market value $339 Typical range $125–$850 · based on 51 recent sales Estimated sale prices · 51 events · updated today · how we compute this `
Currently listed from$179
Original retail (1978)$180 · ~$850 today

Price history

$110$615$1,120 Aug ’26 Sep ’26

Asking median is down 38% over the last 45 days ($290.99 → $179).

View as table
DateAskingRestoredSold
2026-08-08$290.99$1,050—
2026-08-31——$370
2026-09-03——$370
2026-09-06——$370
2026-09-09——$370
2026-09-12——$370
2026-09-15$189—$370
2026-09-18$179—$370
2026-09-21$179—$339

Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.

Specifications

Years produced1978–1981
Power output20 wpc (8 ohms)
TypeAmplifier
BrandPioneer
Original MSRP180 (1978)
Inflation-adjusted~$850 today
Market value (sold)$339
Currently listed (asking)$179
Value vs MSRP-1%

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.

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

Current listings

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