Kenwood KA-8100 Value & Price History
As of 2026-11-05, a Kenwood KA-8100 has a market value at around $29. Based on 73 estimated sales.
Market value
$29
Typical range $13–$75 · based on 73 recent sales
Estimated sale prices · 73 events · updated today · how we compute this
Note: sellers are currently asking $250–$799.99 for this model. The gap between typical sale prices and asking prices is unusually wide.`
Currently listed from$250
Original retail (1977)$500 · ~$2,550 today
Price history
Asking median is down 25% over the last 90 days ($799.99 → $600).
View as table
| Date | Asking | Restored | Sold |
|---|---|---|---|
| 2026-08-08 | $799.99 | — | — |
| 2026-08-29 | $600 | — | $25 |
| 2026-09-05 | $600 | — | $25 |
| 2026-09-12 | $600 | — | $25 |
| 2026-09-19 | $600 | — | $29 |
| 2026-09-26 | $600 | — | $29 |
| 2026-10-03 | $600 | — | $29 |
| 2026-10-10 | $600 | — | $29 |
| 2026-10-17 | $600 | — | $29 |
| 2026-10-26 | $600 | — | $30 |
| 2026-11-02 | $600 | — | $29 |
| 2026-11-05 | $600 | — | $29 |
Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.
Specifications
| Years produced | 1977–1979 |
| Power output | 80 wpc (8 ohms) |
| Type | Amplifier |
| Brand | Kenwood |
| Original MSRP | 500 (1977) |
| Inflation-adjusted | ~$2,550 today |
| Market value (sold) | $29 |
| Currently listed (asking) | $600 |
| Value vs MSRP | +20% |
Parts & supplies
Common maintenance items for the Kenwood KA-8100. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Kenwood KA-8100 capacitor recap kit on eBay →
- Kenwood KA-8100 replacement knobs on eBay →
- Fuses for the Kenwood KA-8100 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
- Kenwood KA-7300 $200
- Kenwood KA-8004 $20
- Kenwood KA-7100 $571
Current listings
See all on eBay →-
TRIO KA-8100 Integrated Amplifier DC Amp Kenwood Vintage Audio Tested$524.99
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Vintage Kenwood KA-8100 Silver DC Stereo Integrated Amplifier Japan Working$799.99
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Vintage Kenwood KA-8100 DC Stereo Integrated Amplifier Silver Tested Working$695
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Vintage Kenwood KA-8100 Amplifier $600
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Kenwood KA-8100 (KA-8150) DC Stereo Integrated Amplifier D-1242$250
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