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This US$17,499 asking price is a genuine bargain, sitting well below the 25th percentile of US$16,883 and significantly under the median of US$18,106 for recent used Boulder 1161 listings. You are securing a top-tier, fully balanced stereo amplifier for roughly 20% less than its original US$22,000 MSRP and well below the current market floor.
The 1161 is legendary for its discrete 983 gain stage, delivering 300W continuous per channel into 2 ohms with vanishingly low THD (0.0009%), making it a powerhouse for demanding speakers like Focal Stella or Sonus faber Stradivari. Its robust build and ability to double power as impedance halves offer massive dynamic headroom. At this price, the listing represents an excellent buying opportunity for an enthusiast seeking elite American solid-state performance without the new-gear premium.
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.
