Harman Kardon 770 Value & Price History
As of 2026-11-05, a Harman Kardon 770 has a market value at around $210. Based on 14 estimated sales.
Specifications
| Years produced | 1977–1979 |
| Power output | 55 wpc (8 ohms) |
| Type | Receiver |
| Brand | Harman Kardon |
| Original MSRP | 550 (1977) |
| Inflation-adjusted | ~$2,800 today |
| Market value (sold) | $210 |
Buying notes
45-watt Harman Kardon receiver. Twin-powered design with a distinctive look. Good build quality. Recap $210-320. Check both channels; H/K output stages of this era are generally reliable. Less collected than Pioneer/Marantz; often underpriced.
Parts & supplies
Common maintenance items for the Harman Kardon 770. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Harman Kardon 770 dial lamp kit on eBay →
- Harman Kardon 770 capacitor recap kit on eBay →
- Fuses for the Harman Kardon 770 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
Current listings
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