Hifiverse
Boulder

Boulder

Website:https://boulderamp.com/

Est. year: 1984

Boulder Amplifiers is an American manufacturer of high-end audio electronics based in Boulder, Colorado, building a reputation over more than four decades for exceptionally solid, precision-machined aluminium chassis construction paired with reference-tier amplification circuitry.

Range & what it's known for

The catalog spans preamplifiers, power amplifiers and DACs, with Boulder's flagship 3000-series and more accessible 500-series both sharing the company's characteristic milled-aluminium construction and proprietary discrete op-amp modules, an engineering approach that treats mechanical construction quality as inseparable from electrical performance, resulting in components that are typically both exceptionally heavy and measured as class-leading in distortion and noise performance.

Who owns it and where it's made

Boulder Amplifiers remains American-owned and American-manufactured, continuing to machine its own chassis and design its own discrete circuit modules domestically in Boulder, Colorado.

The lineup in this catalog

Amplifiers and DACs. Prices span roughly 10,000 dollars for entry-level 500-series electronics to well over 100,000 dollars for flagship 3000-series separates.

Who it's for

Boulder suits buyers wanting reference-tier American electronics combining exceptional mechanical build quality with class-leading measured performance, appealing to listeners for whom uncompromising construction quality is as important as circuit-level engineering.