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Offered is „BOULDER 866 Integrated mit Streaming Modul“ by Boulder Amplifiers as exhibit from the category „Fully integrated Amplifier“ on audio-markt.de - the online market place for high-end. The advert with the number 9095153085 ends on 05.11.2026 at 09:55 o'clock.
Boulder’s 866 is a respected heavyweight in modern solid-state amplification, with the kind of control, current delivery, and tonal grip that makes it a long-term keeper. At €10,400, this sits below the €10,453 25th percentile and well under the €11,217 median, so it reads as a strong buy / bargain in the current used market.
For a buyer, that makes the listing especially appealing if the unit is clean and complete, because this model is prized for its authority with difficult speakers, low-noise refinement, and genuinely serious build quality. Good condition at this level is the key upside: if it’s been cared for, you’re paying less than typical for a piece that usually earns its reputation the hard way, in real systems rather than on paper.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Boulder Amplifiers traces its roots to the professional recording and broadcast world of the 1970s, when founder Jeff Nelson, a self-taught electronics expert, built mixing boards for studios. In 1984, the company formally launched in Colorado—initially in an old farmhouse near Superior, later relocating to Louisville—with the debut of its rugged 500 power amplifier, prized by engineers for its clarity and durability. Under Nelson's leadership for over four decades, Boulder transitioned from pro audio gear to the pinnacle of home high-fidelity, maintaining full vertical integration in a sprawling 23,000-square-foot facility where every chassis, circuit, and component is crafted in-house.
The brand specializes in solid-state power amplifiers, preamplifiers, and integrated electronics, epitomized by flagships like the 2150 monoblock and 800 Series. Absent from speakers, turntables, DACs, headphones, or cables, Boulder's focus remains laser-sharp on amplification, delivering ultra-neutral sound with vanishingly low distortion—such as the 2150's 0.00036% THD and 1000W output—and peerless signal-to-noise ratios.
Positioned at the apex of high-end audio, Boulder commands reverence among discerning audiophiles for indestructible build quality, cost-no-object engineering, and machined-aluminum casework that sets unmatched standards. As North America's last fully in-house audio manufacturer, it appeals to buyers seeking unflappable performance and heirloom longevity, with prices reflecting its elite status, like $110,000 pairs of monoblocks.
See all Boulder listings on RADAR.
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