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    Founded in 1991 by legendary audio designer Nelson Pass, Pass Laboratories, Inc. markets its unique amplifiers, preamplifiers and speakers throughout the world. The company has been based in Foresthill, California, since its beginning, and is widely regarded as one of the most innovative audio brands in the world.


PASS DIY Testing

The Sweet Spot
Printable version Nelson Pass  10/10/09 Introduction Every audiophile understands the concept of the “sweet spot”, that happy balance of conditions that elicits the best possible sound.  It can be a particular listening spot, the best positioning of ...
INT-30A now shipping
The INT-30A, a 30 watt class A integrated amplifier, is now shipping. Based on the XA30.5 and XP-10, the INT-30A offers a lot of performance in one package. No related posts.
X260.5 : Press Release
Printable version Pass Labs Introduces New X260.5 Power Amplifier Powerful Mono-Block Design Boasts Low-Noise Super-Symmetry Circuit, Explosive Dynamics, and Sweet, Clear, Highly Detailed Performance CES 2010, LAS VEGAS, Jan. 7, 2010 — Pass Laboratories, Inc., an audio ...