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Boulder Amplifiers

Website:https://www.boulderamp.com

Boulder Amplifiers is an American manufacturer of high-end audio electronics, founded and headquartered in Boulder, Colorado, and known throughout the high-end industry for chassis construction machined from solid aluminium billets to tolerances considerably tighter than typical sheet-metal electronics manufacturing requires.

Range & what it's known for

The catalog spans preamplifiers, power amplifiers and DACs across the 500, 800, 1000 and flagship 3000 series, unified by Boulder's proprietary discrete op-amp modules, custom-designed circuit building blocks the company manufactures in-house rather than relying on off-the-shelf integrated circuits, an unusual level of component-level self-sufficiency that gives Boulder precise control over gain-stage performance throughout its entire product range.

Who owns it and where it's made

Boulder Amplifiers remains American-owned, designing and machining its aluminium chassis and proprietary circuit modules domestically at its Boulder, Colorado facility.

The lineup in this catalog

Amplifiers and DACs. Prices span roughly 10,000 dollars for entry-level electronics to well over 150,000 dollars for flagship 3000-series monoblocks and preamplifiers.

Who it's for

Boulder Amplifiers suits buyers seeking uncompromising American electronics engineering, built around proprietary discrete circuit modules and machined-aluminium construction quality that few competitors anywhere in the world attempt to match at comparable scale.