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Audio Research SP6A

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Hifitorget

Audio Research SP-3 A1 rörförsteg Hifitorget SEK 16,000 Nov 12, 2025

US Audio Mart

AUDIO RESEARCH SP3A-1 Preamplifier US Audio Mart $2,750 Oct 12, 2025

US Audio Mart

audio research SP 3A excellent condition for local pickup!!no traded US Audio Mart $2,450 Jul 21, 2025

Canuck Audio Mart

Audio Research SP3A-1 Vintage Classic silver Canuck Audio Mart CA$2,750 7% Jun 28, 2025

Subito

AUDIO RESEARCH REF.6 - PREAMPLIFICATORE A VALVOLE Subito €9,000 Jun 13, 2025

Subito

Pre Audio Research SP-6 a valvole Subito €1,300 Aug 12, 2023

Reverb

Audio Research SP-6A restoration kit filter capacitor repair rebuild fix $185 Aug 19, 2022

Reverb

Audio Research SP-3A restoration kit filter capacitor repair rebuild fix $167 Aug 18, 2022

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