Sony TC-K770ES Value & Price History
As of 2026-08-07, a working Sony TC-K770ES is worth about $647 on the used market; professionally restored examples average $1,138, while parts/non-working units bring around $213. Values are trimmed medians of 14 current listings.
Current market value
$647
Typical range $595–$699.99 · 2 listings Low sample
Based on asking prices of current listings, updated 2026-08-07
Restored / serviced$1,138
Parts / not working$213
Key facts
- Produced: 1990–1994
- Category: cassette deck
Original MSRP: $1200 (roughly $2,650 in today's dollars)
Buying notes
ES series.
Current listings
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