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The U2 is a compact, two-cabinet subwoofer offering the same bass output as
the U1, but made to serve different application and room requirements.
An acoustic suspension design, it has been engineered to extend the bass range
of our Evolution M5 or M6 monitors, or any other monitors of similar frequency
range, with tight, accurate and powerful performance, while adapting to potentially
difficult placement and room conditions.
Offering front firing drivers and an unusually compact enclosure size, the U2
modules can be installed in cabinets, on low shelves, or in corners with no
compromise in bass output. And in rooms where bass performance is problematic--
too much bass caused by standing waves or too little as a result of cancellation
-- the dual U2 enclosures can be placed in asymmetrical positions to help improve
response.
The entire U2 system consists of four matched components: two W2 subwoofer enclosures
with individual bass drivers, the A1 Monaural Amplifier, and the X1 Active Crossover.
The W2 cabinets feature 12" woofers in compact 14" cubes, each delivering
bass down to 25Hz. The woofer is constructed using an aluminum cone attached
to an aluminum former (the cylinder on which the voice coil is wound). This
assembly acts as a massive heat sink which reduces distortion and heat buildup
under demanding loads.
The A1 monaural amplifier deliver 250 watts rms to the W2 enclosures. The A1
is a Class G design, known for efficiency and cooler operation than many other
amplifier designs.
The X1 Active Crossover provides fine tuning of the U2 subwoofer system, allowing
seamless integration with Evolution and other satellites and helping eliminate
many common low frequency problems caused by room interaction.
This unique combination of electronics and high tech double-cabinet woofer design
offers tight, articulate bass for music reproduction, the high output and dynamic
range needed for the full enjoyment of movie soundtracks, and a smooth and even
bass response from anywhere in the listening room.
Specifications
U1 Specifications
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Description:
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Dual W-1 enclosure subwoofer
with A1 Amplifier and X1 Active Crossover included. |
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Drivers:
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Two 12" aluminum cone (1 per enclosure),
high excursion. |
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System Power:
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250W RMS. |
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Peak Acoustic Output @1M:
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108 dB |
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Frequency Response:
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+/-3dB: 26Hz-140Hz. |
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Input Connectors:
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5-way binding posts. |
A1 Specifications
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Description:
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Full range (20Hz - 20 kHz),
class G,monaural amplifier for general audio use. |
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Power Rating (RMS):
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200W into 8ohms, 250W into 6ohms, 300W into 4ohms. |
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THD:
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<.01% 22Hz - 20kHz. |
X1 Specifications
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Description:
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Active crossover for use with
Evolution U1, U2 subwoofers and T5, T6 tower systems. |
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Switchable Hi Pass:
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50Hz, 80Hz, 110Hz. |
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Variable Lo Pass:
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50Hz - 140Hz. |
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