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Amplifiers · Preamplifiers
Pure Class A Amplification
where to hear it
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rooms in 5 states
rooms outside the US
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about pass labs
Pass Labs is an American high-end audio company founded by Nelson Pass in 1991, specializing in Class A and Class A/B amplification. The company is celebrated by audiophiles for its transparent, musical sound and precision engineering. Pass Labs amplifiers are frequently cited as reference components.