RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Commercial Audio Research LS27 Pre Amplifier Excellent working and aesthetic condition. We also have the matching PH6 phono stage for sale! Condition: Excellent Payment Method: Paypal, EFT, Cash on Pickup Region/State: (VIC) Victoria/Australia By Class A Audio 0 Comments AUD $5,900 Date: December 24, 2025Dec 24
Audio Research’s LS27 sits in a sweet spot in ARC’s line, above the LS17 and below the Reference 5, with the sort of open, refined tube line-stage sound people buy the brand for. At A$5,900, this listing is above your median of A$3,875 and also above the 75th percentile of A$4,946, so it reads ambitious for the current used market rather than a bargain.
That said, if it’s genuinely excellent and complete, it’s still a desirable buy: the LS27 is well regarded for musicality, drive, and a spacious, low-fatigue presentation, and clean examples tend to hold interest with ARC buyers. The upside here is mostly in condition and completeness, so I’d want reassurance on tube life, remote, packaging, and service history at this price.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audio Research Corporation, founded in 1970 in Minneapolis, Minnesota, by William Z. Johnson, traces its roots to his pioneering work in custom audio electronics during the 1950s and his operation of a specialty retail store through the mid-1960s. After a brief stint selling his designs to a larger firm, Johnson regained independence to establish ARC with a singular mission: advancing the state-of-the-art in music reproduction. From modest beginnings in the back of his shop, the company evolved into one of America's oldest continuously operating high-end audio manufacturers, now housed in a state-of-the-art 48,000-square-foot facility in Maple Grove, Minnesota.
ARC specializes in performance-driven electronics, renowned for vacuum-tube amplifiers, preamplifiers, and electronic crossovers that emphasize sonic purity over flashy features or aesthetics. Drawing on circuit designs rooted in the 1950s, the brand integrates tubes into modern contexts, delivering what it calls "high definition" sound through genuine technological advances. While not venturing into speakers, turntables, DACs, headphones, or cables, ARC's focused lineup prioritizes amplifiers and preamps that set benchmarks for musical realism.
Positioned at the pinnacle of high-end audio, Audio Research is hailed as a true originator of the genre, commanding respect among audiophiles for its unwavering commitment to excellence and innovation. Enduring the 1970s tube revival against solid-state dominance, ARC thrives via elite specialist retailers worldwide, standing alongside peers like Conrad-Johnson as a vintage-inspired yet forward-thinking force in the niche boutique market.
See all Audio Research listings on RADAR.
audio-markt.de
Good
eBay US
eBay US
Paragon Sight & Sound
Dealer
Hifitörget
SE
eBay UK
GB
