P.Audio 18BM-1200S
8Ω
Low frequency
| Nominal diameter | 18″ / 457 mm |
| Resonance | 35 Hz |
| Q factor | 0.57 |
| Sensitivity | 93.2 dB |
| Linear excursion | ± 9 mm |
| Program Power | 2400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.2dB
- Frequency response 35 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 17.40
- Electrical quality factor QES 0.59
- Total quality factor QTS 0.57
Large signal parameters
- Maximum linear excursion xmax 9mm
- Air volume displaced at xmax VD 1103cm³
- Power handling P 1200W
- Program power Pmax 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.6Ω
- Inductance (1kHz) LE 1.21mH
- VC Diameter 114.4mm
- Winding height HVC 30mm
- Winding material Round Copper Wire
- Former material Glass Fiber
Magnet
- Flux density B 0.8T
- Force factor Bl 22.1N/A
- Motor constant Bl/√RE 9.34N/√W
- Air gap height HAG 12mm
- Material Ferrite
Diaphragm
- Effective diameter 396mm
- Effective area SD 1225cm²
- Moving mass MMS 222g
- Moving mass (without air load) MMD 192g
- Material Paper
Suspensions
- Stiffness KMS 11.4N/mm
- Compliance CMS 88µm/N
- Equivalent volume to the compliance VAS 174L
- Mechanical resistance RMS 2.81N·s/m
- Surround material Cloth
- Spider material Double Silicone
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 467mm
- Baffle cutout diameter 425mm
- Overall depth 237mm
- Flange thickness 20mm
- Mounting depth 217mm
- Volume occupied by the driver (estimated) 8.4L
- Net weight 14.5kg
- Frame material Aluminium
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Export this driver to a simulation software:
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