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Beyma 21QLEX1600FE 1600W 21" 8 Ohm Loudspeaker
KEY FEATURES
- 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:
THIELE SMALL PARAMETERS:
CONSTRUCTIVE DETAILS:
- Nominal diameter 540 mm 21 in
- Nominal impedance 8 Ohm
- Minimum impedance 7.2 ohm
- Power capacity 1600 W AES
- Sensitivity 98 dB 1 W/1 m @ ZN
- Frequency range 30-1000 Hz
- Recommended enclosure volume 170 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
THIELE SMALL PARAMETERS:
- 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
CONSTRUCTIVE DETAILS:
- Depth 266 mm 10.5 in
- Net weight 17.1 kg 37.6 lb
- Total weight 19.6 kg 43.1 lb
- Magnet Neodymium
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