Kenwood KA-9100 Value & Price History

As of 2026-10-06, a Kenwood KA-9100 has a market value at around $30, parts units around $247. Based on 46 estimated sales.

Market value $30 Typical range $14–$100 · based on 46 recent sales Estimated sale prices · 46 events · updated today · how we compute this Note: sellers are currently asking $205–$205 for this model. The gap between typical sale prices and asking prices is unusually wide.`
Currently listed from$205
Parts / not working$247
Original retail (1977)$600 · ~$3,050 today

Price history

$0$1,270$2,535 Aug ’26 Oct ’26

Asking median is down 73% over the last 60 days ($753 → $205).

View as table
DateAskingRestoredSold
2026-08-08$753$2,350—
2026-08-26$552——
2026-08-30$552$2,350$35
2026-09-03$552$2,350$34
2026-09-07$205$1,875$34
2026-09-11$205$1,875$35
2026-09-15$205$2,350$33
2026-09-19$205$2,350$33
2026-09-23$578$2,350$30
2026-09-27$578$2,180$30
2026-10-01$205—$30
2026-10-05$205—$30
2026-10-06$205—$30

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

Specifications

Years produced1977–1979
Power output90 wpc (8 ohms)
TypeAmplifier
BrandKenwood
Original MSRP600 (1977)
Inflation-adjusted~$3,050 today
Market value (sold)$30
Currently listed (asking)$205
Value vs MSRP-66%

Buying notes

90-watt Kenwood integrated amplifier. DC-coupled design; always check DC offset before connecting speakers. Recap $250-380. Good build quality. Check both channels and verify the protection relay clicks cleanly when powering on.

Parts & supplies

Common maintenance items for the Kenwood KA-9100. 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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