Pass Labs Showcases SR1 Loudspeaker, Four -Way Floorstanding Listening System for Audiophiles

Uncompromising Speaker Emphasizes Performance, Accuracy and Power

CES '09, LAS VEGAS, Jan. 8, 2009 - Pass Laboratories, Inc., an audio innovator

renowned for its unique high -performance products, exhibits the SR1
Loudspeaker, a high -performance listening system using the highest quality
drivers available, at the 2009 International Consumer Electronics Show,
beginning here today.

The new SR1 is Pass Labs' second loudspeaker, following and replacing the
Rushmore, its dynamic introductory model. The SR1, a four -way floorstanding
system, is equally uncompromising. Its highly refined sound stage, deep
awareness of micro -detail, and effortless dynamics deliver superb, accurate
musical reproduction.

Each SR1 consists of four independently adjustable amplification packages plus a
four -way active electronic crossover integrated with four highly efficient speaker
drivers. Like the Rushmore, the SR1 leverages the ability of dedicated, active
electronics to enhance and complement the performance of its passive
components. More than the Rushmore, the SR1 emphasizes absolute audio
performance over driver sensitivity, and offers more flexibility in selecting
complementary power amplifiers and crossovers, which can range from totally
passive to active quad -amplification.

The SR1 has been designed to harness the classic "mass controlled piston"
model, in which the speaker's radiating surface behaves as a rigid surface. This
yields a well -defined characteristic in the spectral region where the sound is
proportional to the electrical current through the voice coil. At the boundaries of
this frequency band, the response falls off in a predictable manner.

The trick is to find a perfect piston driver.
The cone surface must maintain its
shape over the frequency band without breaking up into resonant vibrational
modes. The suspension and motor system must remain linear with high
excursion. But most speakers allow the cone to flex in a way that gives some
extension at higher frequencies at the cost of an irregular response in the
frequency response and phase performance.

The SR1's drivers are the best available - Nextel -coated cones and a Crescendo
tweeter from the renowned Seas of Norway. They present the best combination
of low distortion, high dynamics, and predictable performance. It takes a
minimum of four sizes of these drivers to span the SR1's 10 -octave audio range
without significantly leaving the "piston" region.

The SR1 uses dual enclosures. A large bass enclosure with ten -inch and eightinch
drivers handles the bottom four octaves, and an adjustable smaller
enclosure carries the midrange and the tweeter. The Seas drivers are
complemented by a set of crossover and equalization electronics created to elicit
the drivers' best performance.

The SR1 is available as a bi -amplified or quad -amplified system, complete with
active crossover filters. Upgrades and conversions between the systems are easily
accomplished. The speaker is compatible with a wide range of power amplifiers.
The impedance does not dip below 4 ohms, and the sensitivity is approximately
90 dB for a 2.8V input.

The SR1 Loudspeaker is available now from authorized Pass Labs dealers at a
suggested price of $25,000/pair. It can be seen with Pass Labs' other outstanding
products in Suite 29 -140, The Venetian Tower, during the show.

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 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. The company is now poised to introduce a new generation of
amplifiers and other high -performance audio products.
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