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If this is the current Solo 375 XD generation, timing matters because it’s still a current-ish Krell monoblock rather than a deep-discount legacy piece, and US$8,000 is below the typical new/closeout level I found, which sits around US$8,400 per amp on one pre-owned/closeout listing and roughly US$12,500 new on another dealer page. That makes this look like a solid buy rather than an ambitious ask, especially if it’s clean and includes the box, CAST cable, or matching paperwork.
What makes it worth chasing is the Krell formula: serious current delivery, big control in the bass, and the kind of effortless grip that suits tough speakers. The XD version adds iBias/XD-era refinement, and these are very much “buy once, cry once” amps for someone who wants headroom and authority. I’d want confirmation on service history, channel matching, and whether it has been run hard, but if condition is honest, this is a properly attractive listing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Krell Industries, founded in 1980 in the United States by Dan D'Agostino and his wife Rondi, emerged from a passion for pushing audio engineering boundaries. Based initially in Bridgeport, Connecticut, and later settling in nearby Orange, the brand drew its name from the advanced alien race in the 1956 film Forbidden Planet, symbolizing limitless technological power. The company's debut at the 1981 Consumer Electronics Show with the KSA-100, a high-power Class A amplifier, sparked immediate demand and established Krell as a force in American hi-fi innovation.
Krell specializes in high-end amplification, with its power amplifiers—epitomized by flagships like the Master Reference Amplifier—earning legendary status for their raw dynamics and precision. The lineup extends to preamplifiers, surround sound processors, digital-to-analog converters, CD and Super Audio CD players, loudspeakers, and subwoofers, all engineered for uncompromised performance in music and home theater systems.
Positioned firmly at the pinnacle of the high-end audio market, Krell commands respect among discerning audiophiles for its cutting-edge circuitry, massive power supplies, and relentless pursuit of sonic excellence. A top-tier brand alongside legends like Levinson and Threshold, it appeals to buyers seeking reference-level gear that defines the genre, even amid recent ownership transitions following Rondi's passing in 2024.
See all Krell listings on RADAR.
