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 |
Beyma - 21LEX1600Nd - 8 ohm 21" low mid subwoofer
SKU: Beyma-21LEX1600Nd
$768.12Price