P.Audio 18BMA-2000S
8Ω
Low frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 36 Hz |
| Q factor | 0.38 |
| Sensitivity | 94.6 dB |
| Linear excursion | ± 8.5 mm |
| Program power | 4000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
- Frequency response 35 - 800Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 36Hz
- Mechanical quality factor QMS 9.15
- Electrical quality factor QES 0.40
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion (one way) xmax 8.5mm
- Air volume displaced at xmax VD 1036cm³
- Power handling P 2000W
- Program power Pmax 4000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz) LE 1.52mH
- VC Diameter 127mm
- Winding height HVC 32mm
- Winding material Round Copper Wire
- Former material Glass Fiber
Magnet
- Flux density B 1.2T
- Force factor Bl 28.1N/A
- Motor constant Bl/√RE 11.6N/√W
- Air gap height HAG 15mm
- Material Ferrite
Diaphragm
- Effective diameter 394mm
- Effective area SD 1219cm²
- Moving mass (including air load) MMS 230g
- Moving mass MMD 201g
- Material Paper
Suspensions
- Stiffness KMS 12N/mm
- Compliance CMS 83µm/N
- Equivalent volume to the compliance VAS 170L
- Mechanical resistance RMS 5.69N·s/m
- Surround material Cloth
- Spider material Double Silicone
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 462mm
- Baffle cutout diameter 426mm
- Overall depth 211mm
- Flange thickness 15mm
- Mounting depth 196mm
- Volume occupied by the driver (estimated) 9.7L
- Net weight 20.7kg
- Frame material Aluminium
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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