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Audio Research REF 600

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Yahoo Auctions Taiwan

Audio Research Reference 600全真空管後級（可交換） Yahoo Auctions Taiwan NT$250,000 Dec 13, 2025

Canuck Audio Mart

Audio Research Ref 600 MKII mono block amp Canuck Audio Mart CA$10,500 5% Nov 19, 2025

HifiOnline

Prodám Audio Research / Audio Research Reference 600 MK III HifiOnline €5,000 Sep 17, 2025

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