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Beyma

Beyma - 21LEX1600Nd - 8 ohm 21" low mid subwoofer

Beyma - 21LEX1600Nd - 8 ohm 21" low mid subwoofer

Regular price $768.12 USD
Regular price $768.12 USD Sale price $768.12 USD
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  • High power handling and low distortion 21" subwoofer
    Exclusive Malt Cross® Technology Cooling System
    Low power compression losses
    High sensitivity: 99,5 dB (1W / 1m)
    FEA optimized neodymium magnetic circuit
    Ultra low air noise
    Optimized non-linear behaviour
    Exclusive NCR membrane (Neck Coupling Reinforcement)
    Waterproof cone with treatment for both sides
    Double silicone spider
    4" TRIO in/out copper voice coil
    Aluminium demodulating ring
    Extended controlled displacement: Xmax ± 13 mm
    65 mm peak-to-peak excursion before damage
    Optimized for direct radiation and band-pass subwoofer applications

General

Product type Cone driver
Brand Beyma
Reference 21LEX1600Nd
Product code 121LEX16ND8

Informations

Nominal impedance 8 ohm
Dimensional category 21 inch
Frequency coverage type Sub, Low
Manufacturer sensitivity 98 dB
Calculated sensitivity 96.23 dB
Nominal power handling 1600 W
Max power handling 3200 W
Bandwidth 30÷1000 Hz

Fundamental parameters

Sd 1734 cm²
Mms 393 gr
Cms 72 µm/N
Rms 8.6 kg/s
Le 4.7 mH
Re 5.4 ohm
BL 36.6 T.m

Small signal parameters

Fs 30 Hz
Qes 0.3
Qms 8.6
Qts 0.29
Vas 305 L

Datas

Xmax ±14 mm
Calculated Xmax ±14.9167 mm
Xvar, Xmech, Xlim ±32.5 mm
EBP 100 Hz
Zmin 7.2 ohm
Fs / Qts 103 Hz
Vas * Qts² 25.66 L
Efficiency 2.7 %
Calculated efficiency 2.64 %
Weight ~11.8 kg
Demodulation ring Yes

Dimensions

Voice coil diameter 4 inch
Winding depth 34.5 mm
Gap height 14 mm
Outside diameter 545 mm
Baffle cutout diameter 492 mm
Depth 268 mm
Front thickness 20 mm
Depth after front 248 mm

Shape & Materials

Front chape Cylindrical
Magnet type Neodymium
Winding material Copper
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