Beyma 21QLEX 1600Fe 21" Subwoofer 1600/3400W 8Ohm 30-1000 Hz

Beyma 21QLEX 1600Fe 21" Subwoofer Bass Speaker 1600/3400W 8Ohm 30-1000, Hz 98 dB

● High power handling and low distortion 21” subwoofer
● Exclusive Malt Cross® Technology Cooling System
● Low power compression losses
● High sensitivity: 98 dB (1W / 1m)
● FEA optimized ceramic magnetic circuit
● Aluminium demodulating ring
● Ultra low air noise
● Optimized linear behaviour
● Waterproof cone with treatment for both sides
● Double silicone spider
● 4” QUATTRO in/out copper voice coil
● Extended controlled displacement: Xmax ± 13 mm
● 60 mm peak-to-peak excursion before damage
● Optimized for direct radiation and band-pass subwoofer
applications

Technical specifications
Nominal impedance 8 Ohm
Power capacity 1600 W AES
Nominal diameter 540 mm 21 in
Sensitivity 98 dB 1 W @ 1 m @ ZN
Minimum impedance 6.3 ohm
Frequency range 30-1000 Hz
Program power 3200 W
Recommended enclosure volume170 l
Voice coil diameter 101.6 mm 4 in
BL factor 36.4 N/A
Moving mass 0.388 kg
Winding length 32 mm
Air gap height 15 mm
Xdamage pp 60 mm


Parameters Thiele & Small
Fs 30 Hz
Re 5.4 ohm
Qms 4.5
Qes 0.30
Qts 0.28
Vas 309 l
Cms 72 µm / N
Rms 16.2 kg/s
Efficiency % 2.7
Sd 0.1734 m²
Xmax 13 mm
Vd 2254 cm³
Le @1 kHz 4 mH

Overall diameter 545 mm 21,5 in
Bolt circle diameter 522,5 mm 20,6 in
Baffle cutout diameter:
- Front mount 492 mm 19,4 in
Depth 266 mm 10,5 in
Volume displaced by driver 11,5 l 0,40 ft3
Net weight 17,1 kg 37,6 lb
Shipping weight 19,6 kg 43,1 lb