What is a Harman Kardon 730 worth?

A working Harman Kardon 730 is worth about $899 as of 2026-08-07, based on trimmed-median asking prices of current listings. Parts or non-working units bring around $555.

How much did the Harman Kardon 730 cost new?

The Harman Kardon 730 had an original MSRP of $450 when introduced around 1976.

Harman Kardon 730 Value & Price History

As of 2026-08-07, a working Harman Kardon 730 is worth about $899 on the used market, while parts/non-working units bring around $555. Values are trimmed medians of 11 current listings.

Current market value $899 Typical range $175–$2,299.99 · 9 listings Medium confidence Based on asking prices of current listings, updated 2026-08-07

Parts / not working$555