What is a Magnepan MG III worth?

A working Magnepan MG III is worth about $1,047 (per pair) as of 2026-08-07, based on trimmed-median asking prices of current listings. Parts or non-working units bring around $350.

How much did the Magnepan MG III cost new?

The Magnepan MG III had an original MSRP of $1500 when introduced around 1982.

Magnepan MG III Value & Price History

As of 2026-08-07, a working Magnepan MG III is worth about $1,047 (per pair) on the used market, while parts/non-working units bring around $350. Values are trimmed medians of 26 current listings.

Current market value (per pair) $1,047 Typical range $700–$6,795 · 20 listings High confidence Based on asking prices of current listings, updated 2026-08-07

Parts / not working$350