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Pass Labs New Xs Preamp Debutss with Sony SS-AR1 Speakers at CES 2013 [PR]

Pass Labs Joins Sony in Must-Hear Demo And Launch of New Flagship Preamplifier; Speakers Boast Quiet Power and Unparalleled Listening


Debuting at CES 2013, Pass Labs’ Xs Preamplifier is designed to complement Pass Labs’ Xs-150 and Xs-300 Amplifiers.

International CES 2013—Pass Laboratories, Inc., an audio innovator renowned for its unique high-performance products, introduces the Xs Preamplifier, new flagship of its preamplifier line in performance with Sony’s high-performance SS-AR1 Loudspeakers, at the Consumer Electronics Show in January.

The demo will run throughout the four-day show, and also include Pass Labs’ Xs 150 or Xs 300 Amplifier, and 2-chassis XP-25 Phonostage.

The new Xs Preamplifier is designed to complement the ultimate performance standards of Pass Labs’ Xs-150 and Xs-300 Amplifiers. It applies lessons learned designing Pass Labs’ breakthrough XP-30 3-Chassis Reference Preamplifier, and two Xs Series Amps. The Xs Preamp is quieter than the XP-30 and has an even more improved power supply.

It features two large chassis built with a true dual-monaural topology and uniquely customized circuit boards, each of which has been optimized for top performance in each functional area for which a board is employed.
For example, the circuit boards for the gain stages have been completely redesigned for maximum sonic impact. They employ a direct-coupled (DC), ultra-symmetric gain path with high-bias Class A circuitry, and feature auto bias and DC-compensation to maintain peak performance. As a result, the Xs Preamp opens up the soundstage, delivers a greater sense of space and layering, and provides a clearer window into the performance of reproduced music.

The Xs Preamp comes with a remote control, and an extra large, high-definition display addresses listeners’ desire to know a music system’s status even from across a brightly lit room. The 20-character display is easy to read and dimmable. The rear panel includes 6 inputs, a tape loop, dual-power input connections, dual balanced outputs, and variable outputs for bi-amping and use with multi-room systems.

Sony’s SS-AR1 Loudspeakers are designed to recreate music as faithfully as possible, delivering an unparalleled listening experience. Each SS-AR1 is a 4-unit, 3-way floorstanding system featuring one 5-inch midrange driver with an exclusive resonance-suppressing paper cone, twin 6.5-inch aluminum cone woofers, and a 1-inch soft-dome tweeter with a ring of six neodymium magnets in its motor system. Bass reflex ports and piano-black contoured cabinets of hand-selected Japanese maple and Nordic birch contribute further to the speakers’ beautiful sound.

Availability and a price for the Xs Preamplifier are still to be determined. It can be seen together with Pass Labs’ acclaimed Xs-300 and Xs-150 Amplifiers at the Venetian Tower, Suite 34-209, during CES.

About Pass Labs
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. Its critically acclaimed Aleph, X and XA-Series products have won numerous awards, and Founder and CEO Nelson Pass holds numerous audio patents. His achievements include developing the first dynamically biased Class A amplifier circuit, developing a fully cascode audio power amplifier, and developing the Stasis amplifier in 1977. He helped popularize solid-state, single-ended Class A power amplifiers, and developed the very successful Aleph series of products, and the Super-Symmetry circuit, which achieves exceptionally low distortion and noise levels.

For further technical information, visit Pass Labs’ website at

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Article Topics

Press Releases · Audio · Amplifiers · Events · CES · Ces · Sony · Pass Labs · All topics


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