● High power handling and low distortion 18” subwoofer ● Exclusive Malt Cross® Technology Cooling System ● Low power compression losses ● High sensitivity: 96 dB (1W / 1m) ● FEA optimized neodymium magnetic circuit ● Ultra low air noise ● Designed with MMSS technology ● Optimized non-linear behavior

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MALT Cross
In Beyma we face the problem of heat dissipation with a clear goal in mind: the speaker must deliver the best performance in the system in a consistent and reliable way, maximizing the total SPL and keeping it stable.

It is well known how the overall SPL of a system suffers a drop after some time working due to the power compression effect in the speakers. It is also known that normally the bigger the voice coil diameter the higher the power capacity, but this also means bigger motor structures to obtain high total output from the transducer.

The Maltcross cooling technology that we deliver to the Professional Audio market through our speakers, bring together several solutions to meet our goal; in one side allows the woofer to handle bigger rates of power with a given coil diameter, so we can think in smaller coil designs with smaller motor structure, reducing the weight but increasing the sensitivity and also keeping an adequate power handling figure for a target application, maintaining a total SPL finally that may be equivalent to a bigger size motor structure driver.

The Matcross technology is a forced convection circuit inside the heart of the driver that helps to lower the working temperature of the coil and also acts like a demodulation ring, linearizing the inductance of the transducer.

Nominal impedance 8 Ohm
Power capacity 1600 W AES
Nominal diameter 460 mm 18 in
Sensitivity 96 dB 1 W/1 m @ ZN
Minimum impedance 7 ohm
Frequency range 35-1000 Hz
Program power 3200 W
Voice coil diameter 101.6 mm 4 in
BL factor 24.5 N/A
Moving mass 0.229 kg
Winding length 35 mm
Air gap height 14 mm
Xdamage pp 65 mm
Fs 33 Hz
Re 5.8 ohm
Qms 11.4
Qes 0.45
Qts 0.43
Vas 231 l
Cms 104 µm / N
Rms 4.1 kg / s
Efficiency % 1.7
Sd 0.1255 m²
Xmax 14.5 mm
Vd 1820 cm³
Le @1 kHz 1.9 mH
Depth 236 mm 9.3 in
Net weight 9.5 kg 20.9 lb
Total weight 10.8 kg 23.8 lb
Magnet Neodymium
POWER (W AES) 1600
SEN. (dB 2.83V-1m) 96
COIL DIAM. (in) 4

Specifications PDF


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