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Offered is „Fet Ten/e HL“ by Threshold as second-hand device from the category „Transistor-Preamp“ on audio-markt.de - the online market place for high-end. The advert with the number 1077890272 ends on 12.11.2026 at 11:20 o'clock.
This is a serious, well-regarded Threshold solid-state piece, and the asking price sits right on the used-market centerline. At €1,950, it matches the median of recent comparable listings, so it reads as fair rather than cheap or ambitious.
That makes it a sensible buy if the unit is healthy and complete. Threshold gear is prized for muscular, refined control and an easy, unforced presentation, and good examples tend to hold appeal with longtime hi-fi buyers. At this price, the value is in condition, service history, and originality: clean cosmetics, stable operation, and any documented maintenance will matter more than squeezing the last euro.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Threshold Audio emerged in Sacramento, California, in 1974, founded by renowned audio engineer Nelson Pass alongside graphic designer René Besne and Joe Sammut. Pass, a pioneer in amplifier design, launched the brand with the groundbreaking Threshold 800A power amplifier in 1975, introducing a novel sliding bias system that boosted Class A efficiency while employing 48 output transistors in a sophisticated triple-series/triple-parallel configuration. This California-rooted heritage defined Threshold as an innovator during its original run, which spanned until the mid-1990s, after which the intellectual property changed hands, including a 1994 acquisition by investor Randy Patton, who integrated it with PS Audio and relocated operations to Camarillo.
The brand focused squarely on high-end amplification, producing iconic power amplifiers like the 400A and 800A, the Stasis series renowned for their balanced Class A performance, and preamplifiers such as the NS10, SL10, and FET range including the FET-1, FET-2, FET-9, and FET-10. Later designs, like the T-200 by engineer Michael Bladelius, continued this legacy. Threshold eschewed speakers, turntables, DACs, headphones, or cables, concentrating instead on pure analog amplification that prioritized sonic purity and robustness.
Threshold holds a revered position as a vintage high-end icon, cherished by collectors and audiophiles for its enduring sound quality and Pass's technical wizardry. Once a market leader in premium solid-state gear from 1975 to 1992, it remains a sought-after name in the used market, embodying boutique excellence rather than mass production, with modern revivals under Threshold Audio sustaining its elite reputation.
See all Threshold listings on RADAR.
