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Offered is „Fostex T90A T 90 A High End Super Tweeter Hochtöner Horn“ by Fostex as second-hand device from the category „Chassis“ on audio-markt.de - the online market place for high-end. The advert with the number 1548970863 ends on 19.12.2026 at 09:27 o'clock.
€519 is a strong deal: it sits below the €529 25th-percentile mark and under the €539 median from two recent comparable listings. For a good-condition T90A, that is properly attractive rather than merely fair, especially given the model’s enthusiast following and relatively limited availability.
The T90A is a serious horn super-tweeter, using an Alnico magnetic circuit and lightweight ring diaphragm for exceptionally clean, extended treble. Its 106 dB sensitivity and 5–35 kHz bandwidth make it easy to integrate with suitable high-efficiency systems, while the substantial construction and included base add practical value. Check that both units are working evenly, the diaphragms are undamaged, and the crossover arrangement is appropriate, but at €519 this looks like a buying opportunity rather than a listing to haggle over.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Fostex emerged in 1973 as the branded consumer and professional division of Foster Electric Co., Ltd., a Japanese loudspeaker manufacturer founded in 1949. Established to bring Foster's high-quality speaker components directly to dealers and customers, Fostex quickly gained international recognition through innovative products like the T20RP headphones and 6301 studio monitors. The brand's foundation rests on Foster's position as one of the world's largest OEM loudspeaker developers, employing tens of thousands across multiple countries and manufacturing millions of speaker units monthly.
The company built its reputation across three interconnected product categories: professional studio equipment, consumer headphones, and powered monitor speakers. Fostex became particularly renowned for pioneering RP (Regular Phase) technology, which delivers clear sound with high sensitivity and wide dynamic range—a signature that defines their headphones, microphones, and speaker designs. Beginning in 1978, the brand expanded into professional speaker development, eventually introducing the PM series of powered monitors and establishing itself as a trusted choice for recording studios, broadcast facilities, and serious home listeners.
Fostex occupies a distinctive middle ground in the audio market: neither ultra-premium boutique nor mass-market consumer, but rather a respected specialist brand with deep professional credentials. Their products appeal to recording engineers, studio owners, and discerning hi-fi enthusiasts who prioritize accuracy and reliability over luxury positioning. The 6301B monitor remains an industry standard after decades in production, while the T20RP headphones maintain popularity among studio professionals—testament to Fostex's enduring reputation for sonic integrity and engineering excellence.
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