Beyma 18LEX1000Nd
Nd
FeSubwoofer
Nominal diameter | 18″ / 460 mm |
Resonance | 34 Hz |
Q factor | 0.39 |
Sensitivity | 95 dB |
Linear excursion | ± 11 mm |
Program Power | 2000 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
- Frequency response 35 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34Hz
- Mechanical quality factor QMS 5.60
- Electrical quality factor QES 0.42
- Total quality factor QTS 0.39
Large signal parameters
- Maximum linear excursion xmax 11mm
- Maximum excursion before damage xlim 60mm
- Air volume displaced at xmax VD 1381cm³
- Power handling P 1000W
- Program power Pmax 2000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 1.6mH
- VC Diameter 88.9mm
- Winding height HVC 27mm
Magnet
- Force factor Bl 22N/A
- Motor constant Bl/√RE 9.74N/√W
- Air gap height HAG 12mm
Diaphragm
- Effective diameter 400mm
- Effective area SD 1255cm²
- Moving mass MMS 185g
- Moving mass (without air load) MMD 155g
Suspensions
- Stiffness KMS 8.55N/mm
- Compliance CMS 117µm/N
- Equivalent volume to the compliance VAS 260L
- Mechanical resistance RMS 7.1N·s/m
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 462mm
- Baffle cutout diameter 426mm
- Overall depth 233mm
- Volume occupied by the driver (estimated) 5.3L
- Net weight 7.3kg
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