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I am offering my Pass Labs X350.5 power amplifier for sale. This is a highly regarded Class A/AB amplifier known for its musicality, power, and ability to drive demanding speakers with ease.Drove my Dynaudio Confidence 2 excellently and never jump out of the first 40W class A.Had won 5 times Edit...
This looks like a fair ask. For a Pass Labs X350.5 in like-new shape at A$8,800, that’s comfortably in the sensible zone for a big, sought-after flagship-era amp—good value if the unit is truly clean and complete, though not a screaming bargain.
It’s well regarded for sheer drive, grip, and a relaxed, effortless presentation, with enough Class A bias to sound refined while still controlling difficult speakers. The upside here is the combination of reputation, build quality, and rarity in well-kept condition. At this level, I’d just confirm original packing, remote/manual if applicable, and that it’s been stored and used properly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Pass Labs, an American high-end audio powerhouse, traces its origins to 1991 when legendary designer Nelson Pass founded the company in his California home workshop. Emerging from his earlier venture with Threshold Electronics, Pass pioneered prototypes of single-ended Class A amplifiers, enlisting collaborator Mike Burley to build custom CNC machines for production. The debut Aleph 0 model shipped in 1992, marking the start of a legacy rooted in pure, innovative solid-state amplification.
The brand focuses intently on a select range of components, excelling in power amplifiers, preamplifiers, integrated amplifiers, and phono stages, all hand-built in Auburn, California. Renowned for minimalist circuits and pure Class A topologies—often blending into Class A/B for efficiency—Pass Labs delivers exceptional warmth, detail, and realism. While they ventured briefly into headphone amplifiers like the HPA-1, their core strength lies in amplification, eschewing speakers, turntables, DACs, headphones, or cables.
Positioned firmly in the ultra-high-end market, Pass Labs commands reverence among discerning audiophiles and professionals for its uncompromising engineering, industrial aesthetic, and emotional musicality. Products embody technical precision with timeless simplicity, sustaining a reputation for quality and innovation that has endured over three decades, making them a benchmark for those seeking transcendent sound reproduction.
See all Pass Labs listings on RADAR.
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