audio research preamp.

Nautilus

Audio Research DSPre Preamp Nautilus PLN 13,900 7% Mar 26, 2025

US Audio Mart

Audio Research SP 9 preamp US Audio Mart $1,190 20% Aug 27, 2025

US Audio Mart

Audio Research Ref 3 Preamp US Audio Mart $3,960 Dec 14, 2025

US Audio Mart

Audio Research SP 15 preamp US Audio Mart $2,500 Dec 27, 2025

Audio Exchange

Audio Research LS25 Preamp Audio Exchange ZAR 28,000 Jul 8, 2025

Canuck Audio Mart

Audio Research SP-11 preamp Canuck Audio Mart CA$4,000 Dec 20, 2025

Pink Fish Media

Audio Research LS7 pre amp Pink Fish Media - Dec 3, 2025

US Audio Mart

Audio Research ls15 preamp faceplate US Audio Mart $125 Feb 6, 2025

US Audio Mart

Audio Research SP-5 preamp! Pristine, faceplate in like-new condition, serviced, sounds beautiful! US Audio Mart $795 20% Sep 3, 2025

Subito

Finale audio research D90 e pre amp Ls8 Subito €1 Oct 30, 2025

Marktplaats

Audio Research SP16L pre-amp (incl Condensator Mods) Marktplaats - Nov 25, 2025

Pink Fish Media

Ben Duncan Research/Audio Synthesis AMP-02 Preamp/Dac Pink Fish Media - Dec 3, 2025

US Audio Mart

Pristine Audio Research SP11 Mk I preamp for sale US Audio Mart $2,600 26% Sep 2, 2025

Canuck Audio Mart

Perfect condition Audio Research SP9MKII hybrid preamp Canuck Audio Mart CA$2,000 Sep 26, 2023

OLX Poland

Audio research mod.100.2 końcówka mocy preamp OLX Poland PLN 9,900 Dec 5, 2025

OLX Poland

Hovland Hp-100 preamp lampowy ,Vtl, Audio Research,Jadis,Bat OLX Poland PLN 13,500 Dec 22, 2025

Reverb

EAR (Esoteric Audio Research) Yoshino 868PL - Valve Preamp (Line + Phono Stage Inputs) - NEW! $9,094 9% Feb 11, 2023

Reverb

EAR (Esoteric Audio Research) Yoshino 868L - Valve Preamp (Phono Stage NOT Included) - NEW! $6,329 9% Feb 11, 2023

US Audio Mart

Vintage Audio Research SP8 MK1 pre-amp with phono stage - with tubes Made-in-Germany/Britain/USA US Audio Mart $2,950 6% Nov 25, 2025