Beyma 8NMFW
8Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 37 Hz |
| Q factor | 0.34 |
| Sensitivity | 87.8 dB |
| Linear excursion | ± 9 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.8dB
- Frequency response 30 - 2500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 37Hz
- Mechanical quality factor QMS 7.60
- Electrical quality factor QES 0.36
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion (one way) xmax 9mm
- Maximum excursion before damage xlim 43mm
- Air volume displaced at xmax VD 204cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.7Ω
- Inductance (1kHz) LE 1.1mH
- VC Diameter 50.8mm
- Winding height HVC 20mm
Magnet
- Force factor Bl 13.4N/A
- Motor constant Bl/√RE 5.61N/√W
- Air gap height HAG 6mm
Diaphragm
- Effective diameter 170mm
- Effective area SD 227cm²
- Moving mass MMS 48g
- Moving mass (without air load) MMD 45.4g
Suspensions
- Stiffness KMS 2.66N/mm
- Compliance CMS 376µm/N
- Equivalent volume to the compliance VAS 27L
- Mechanical resistance RMS 1.5N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 227mm
- Baffle cutout diameter 181mm
- Overall depth 137mm
- Volume occupied by the driver (estimated) 1.5L
- Net weight 3.7kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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