Pass Labs (formally Pass Laboratories, Inc.) is an American manufacturer of high-end audio equipment based in Auburn, California. The company was founded in 1991 by audio designer Nelson Pass and produces solid-state power amplifiers, preamplifiers, headphone amplifiers and related components aimed at the audiophile market.[1][2]
History
Nelson Pass founded Pass Labs in 1991 in northern California, initially operating from his home workshop.[3][2]
The first commercial product, the Aleph 0 monoblock, was introduced in the early 1990s, followed by additional Aleph models and matching preamplifier and phono stages.[4]