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Audio Innovations Series 500 - Valve Amplifier - Black

Audio Innovations Series 500 - Valve Amplifier - Black

USD$1,250
Location
US
Seller
gdow5027
Source
eBay US
Posted
9 Aug 2026
Last seen
2d ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

This is a fair ask rather than a bargain. At US$1,250, it sits just under the US$1,273 25th percentile and below the US$1,295 median of your recent comps, so it’s priced slightly to the buyer’s advantage without being a steal.

That makes it a sensible buy if it’s electrically healthy, because Audio Innovations gear has a strong reputation for a musical, full-bodied presentation with real drive and a very engaging midrange. The upside here is that a clean, well-kept example can be a rewarding long-term integrated, but with older British amps the usual buyer checks still matter: service history, stable channel balance, quiet operation, and any sign of tired caps or noisy controls.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Audio Innovations

Audio Innovations emerged in 1984 from Brighton, England, founded by Peter Qvortrup and Erik Andersson with a mission to democratize valve amplification. Their debut offerings, the 800 Series power amplifier and matching preamplifier, embodied a commitment to affordable high-quality tube gear, aiming to place one in every home. This British heritage rooted the brand in the valve revival of the 1980s, blending craftsmanship with accessibility.

The company focused primarily on valve amplifiers, expanding into preamplifiers, kits, and even a transistor model with a quasi-complementary output stage. While not diversifying into speakers, turntables, DACs, headphones, or cables, their core strength lay in robust, user-friendly tube designs that prioritized musicality over extravagance.

Audio Innovations held a solid mid-tier position in the high-end hi-fi market during its active years, earning praise for reliable, value-driven valve amps among enthusiasts. Acquired by Audio Components in 1991 and later by Audio Partnership in 1996, the brand shifted toward budget lifestyle systems sold via UK retailer Richer Sounds, diluting its original prestige. Today, it survives more as a vintage collector's item than a current contender.

See all Audio Innovations listings on RADAR.

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