ATLANTIC 272THX~~~差不多30K
The 272 PBM sealed enclosure subwoofer creates an impressively solid bass foundation for your music and movie special effects. It employs a massive 12" long throw driver with a full 2 inch, 4 layer voice coil and a 9.5 pound vented magnet structure. The built-in 225 watt amplifier is a fully discrete design, with a large torroidal transformer for efficient high current, high level drive. A precision 18dB per octave variable crossover with a bypass setting ensures smooth integration with the satellites and eliminates any possibility of audibly localizing the woofer. High and low level inputs with pass through connectors make it easy to connect the 272 PBM to virtually any home theater electronics.
272 PBM Powered Subwoofer
Type Sealed-box, Powered Subwoofer
Driver 12" high excursion cone woofer
Frequency response 25Hz - 500Hz ±3dB
Output Power 225 watts
Low pass filter 55Hz to full bypass, 18dB/octave
Hi pass filter 80Hz, 12dB/octave
Input impedance:
High level (speaker) 1kOhm
Low level (line) 10kOhms
Peak SPL 105dB
Dimensions
(W x H x D) 16 x 21 ½ x 20 in
Weight 62lbs.; 28.15kg
Power requirements 110V AC 50/60Hz; 240 AC 50/60Hz