Focal 十仔 x 3 層層疊

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http://www.focal.com/en/utopia-i ... -3544050698079.html

Focal-JMlab Sub Utopia EM

The Sub Utopia EM is the last building block of the Utopia 3 range and the logical follow-up to the ultimate multi-channel reference speaker; Viva Utopia.
With this subwoofer, Focal focused all its know-how on an entirely passive design, based around a 13-inch Electromagnet bass driver, that appeared with the Grande Utopia EM. An ideal complement to the Viva Utopia, this subwoofer can be used with any model of the range, including the Grande Utopia EM.
Its secret? A clever stackable design (up to 3 subwoofers tall) that can answer even the most demanding power needs. The unequaled punch of EM technology, with the refinement and finesse of Utopia 3.


Product highlights for Sub Utopia EM
A reference passive subwoofer
High-efficiency 13-inch (33cm) Electro-Magnetic "W" cone bass driver
Stackable (up to 3 subwoofers tall)
100% Focal manufacture
Almost 130dB SPL at 1m (in a corner)

Technical specifications
Type Stackable passive subwoofer
Drivers Electro-Magnetic 13" (33cm) “W” bass driver
Frequency response (+or-3dB) 22Hz - 500Hz
Low frequency point 19Hz
Sensitivity (2,83 V/1 m) 93dB
Nominal impedance 8 Ω
Minimum impedance 5.5 Ω
Recommended amplifier power 500 - 1000W
Dimensions (HxWxD) 25 15/16x 19 x 24 1/2 " (634 x 483 x 622mm) 158.5lb (72kg)
Net weight 158.5lb (72kg)

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