P.Audio 12BMA-500B
8Ω
Low frequency
| Nominal diameter | 12″ / 305 mm |
| Resonance | 57 Hz |
| Q factor | 0.34 |
| Sensitivity | 97 dB |
| Linear excursion | ± 5 mm |
| Program power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
- Frequency response 55 - 3500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 57Hz
- Mechanical quality factor QMS 7.90
- Electrical quality factor QES 0.36
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion (one way) xmax 5mm
- Air volume displaced at xmax VD 270cm³
- Power handling P 500W
- Program power Pmax 1000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 0.51mH
- VC Diameter 82.5mm
- Winding height HVC 20mm
- Winding material Copper Clad Aluminium
- Former material Glass Fiber
Magnet
- Flux density B 1.1T
- Force factor Bl 16.7N/A
- Motor constant Bl/√RE 7.19N/√W
- Air gap height HAG 10mm
- Material Ferrite
Diaphragm
- Effective diameter 262mm
- Effective area SD 539cm²
- Moving mass (including air load) MMS 51.9g
- Moving mass MMD 43.1g
- Material Paper
Suspensions
- Stiffness KMS 6.67N/mm
- Compliance CMS 150µm/N
- Equivalent volume to the compliance VAS 61.4L
- Mechanical resistance RMS 2.35N·s/m
- Surround material Cloth
- Spider material Single
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 313mm
- Baffle cutout diameter 285mm
- Overall depth 157mm
- Flange thickness 15mm
- Mounting depth 142mm
- Volume occupied by the driver (estimated) 3.3L
- Net weight 7.8kg
- 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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