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This is a seller’s market for scarce, high-end 300B amplifiers, but £4,687 is an ambitious ask here: it sits above the £4,113 75th-percentile figure from 49 comparable listings. Unless this is an exceptionally clean, documented example with strong valves and a desirable specification, there is room to negotiate.
The Conqueror Silver Signature is a serious single-ended Class A 300B design, delivering 8 watts per channel with zero overall feedback and a valve-rectified supply; the Signature version adds upgraded tantalum resistors, copper-foil capacitors and double-C-core output transformers. It is especially compelling with efficient, benign speakers, where its purity, tone and microdynamic finesse can be the main event. Confirm mains voltage, valve health, service history and whether the original boxes and matching valves are included before paying a premium.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audio Note (UK) traces its roots to 1991, when Peter Qvortrup, a seasoned valve amplifier designer with prior experience at Audio Innovations, founded the company in Sussex, England. Collaborating initially with Hiroyasu Kondo, Qvortrup launched the OTO PP integrated amplifier that year—a modular valve design still in production today, hand-built in their Partridge Green factory. This enduring debut underscores the brand's commitment to timeless engineering over fleeting trends.
The company specializes in complete, in-house valve-based audio systems, crafting everything from turntable cartridges and tonearms to preamplifiers, power amplifiers, DACs, speakers, and cables. Their modular philosophy permeates the lineup, allowing tailored configurations while prioritizing premium components like custom-wound transformers and silver wiring for purest signal paths.
Positioned as Europe's largest and most prestigious maker of ultra-performance valve hi-fi, Audio Note (UK) commands the high-end niche, appealing to discerning audiophiles seeking musical authenticity over mass-market convenience. With a global distribution network and a reputation for longevity, it stands as a boutique benchmark for those investing in heirloom-grade sound reproduction.
See all Audio Note listings on RADAR.
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