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Pass Labs X150.5 Power Amplifier Pass Labs X150.5 non abused, not much used for sale, condition as new but I put Excellent.Beautiful clear sound (used now with tube pre-amp Copland (will be selling as well, soon)Driving any speakers (Martin Logan ESL @moment)Note: Beast is 50 kgs weight without packaging ! Condition: As New / Mint Payment Method: EFT, Cash Region/State: (NSW) New South Wales/Australia By Astrosound 0 Comments Secure Ad AUD $6,500 Date: March 3Mar 3
Are you comfortable paying A$6,500 when the typical recent asking market sits much lower? Against your own comps, that lands well above the A$4,050 75th percentile and more than double the A$3,023 median, so this is ambitious rather than fair value.
The upside is that this is a respected high-current design: Pass Labs gear is prized for grip, ease, and a very unforced, refined presentation, and a like_new example is the sort of listing that can justify a premium if it’s truly complete and well cared for. If you want this exact amp and the condition is as described, the appeal is real; if you’re shopping value, I’d want a materially lower ask before calling it a buy.
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.
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