HSU Research MBM-12 Mid-bass Module

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The MBM-12 introduces our new patent pending concept of splitting up the bass frequencies. In most moderately sized rooms, mid-bass is best reproduced near the listener, while deep bass is best reproduced in a far corner. The mid bass module allows one to do optimally position the low frequencies nearby, for maximum impact.

The high direct to reflected sound ratio helps reduce room effects, gives excellent headroom (high SPL with low power since you are right next to the woofer), and low distortion. Low bass, on the other hand, is most efficiently reproduced when placed in a front corner (see figure below).

Just like the VTF concept, a woofer optimized for low bass reproduction is not the best for mid to upper bass reproduction. A heavy cone is best for low bass, but that reduces the mid to upper bass efficiency. The MBM-12 woofer is optimized for mid to upper bass reproduction - a very light cone, low inductance voice coil, and a strong magnet yields extremely quick response with high efficiency. It demonstrates excellent micro-dynamics and an extremely wide dynamic range that no single subwoofer can provide.

Amplifier Power 350 watts
Frequency Response 50 - 150 Hz +/- 2 dB
Woofer Size 12 inches
Crossover Bypassable 24 dB/Oct, continuously variable 50 - 150 Hz low pass
Phase switch 0/180°
Dimensions 19"(h)/14"(w)/18"(d)
Ship Weight 47 lbs
Power Requirements 430W, 120/240V
Warranty 7 years on the woofer, 2 years on the electronics




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