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Seller's Description

Angeboten wird „Kappa 8“ von Infinity als Gebrauchtgerät aus der Kategorie „Lautsprecher, Kopfhörer“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 9294942204 endet am 08.07.2026 um 15:51 Uhr.

Our Thoughts RADAR AI

It's a seller's market for vintage Infinity Kappa subwoofers right now, with strong demand driving up prices for well-preserved units. At EUR 1,300 for a good-condition Kappa 7.w, this listing feels ambitious—recent comparable sales cluster around a median of EUR 419, with the 25th percentile at EUR 297 and 75th at EUR 677. Unless it's pristine or includes rare upgrades, you're paying a 3x premium over typical used market value in EUR.

Before biting, verify the driver's condition—Infinity Kappa woofers often suffer foam rot or surround degradation after 30+ years, so demand cone and voice coil measurements. Check for the original amp board intact (no humming or channel dropout) and confirm included accessories like the grille, feet, and binding posts; missing parts can add EUR 100-200 to restore.

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

About Infinity

Infinity emerged in 1968 from a Woodland Hills, California garage, founded by Arnie Nudell, John Ulrick, and Cary Christie. Driven by Nudell's passion for classical music and innovative engineering, the trio launched with the groundbreaking Servo-Statik speaker system, featuring electrostatic panels paired with a servo-controlled woofer derived from defense technology. This American brand quickly gained traction through pioneering materials like neodymium magnets, mylar diaphragms, and polypropylene cones, establishing a legacy of pushing audio boundaries before acquisitions by Electro Audio Dynamics in 1974 and Harman International in 1983.

The company has long focused on loudspeakers as its hallmark, from early electrostatic hybrids and the iconic Reference and Kappa series to later EMIT and EMIM drivers in the 1970s. While primarily a speaker specialist, Infinity has ventured into home and mobile audio, including amplifiers and systems under Harman ownership, now part of Samsung since 2017. Turntables, DACs, headphones, and cables remain outside its core expertise.

Positioned as a mid-tier powerhouse with high-end aspirations, Infinity commands respect among knowledgeable buyers for its vintage collector appeal and enduring innovations. Once a darling of audiophiles for transparency and dynamics, it now blends accessible performance with Harman reliability, appealing to those seeking proven heritage without boutique exclusivity.

See all Infinity listings on RADAR.

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