Beyma 8BR40/N
8Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 30 Hz |
| Q factor | 0.39 |
| Sensitivity | 88.6 dB |
| Linear excursion | ± 6.7 mm |
| Program Power | 100 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB
- Frequency response 30 - 6000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 2.10
- Electrical quality factor QES 0.48
- Total quality factor QTS 0.39
Large signal parameters
- Maximum linear excursion (one way) xmax 6.7mm
- Maximum excursion before damage xlim 20mm
- Air volume displaced at xmax VD 147cm³
- Power handling P 50W
- Program power Pmax 100W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.5Ω
- Inductance (1kHz) LE 0.5mH
- VC Diameter 25.4mm
- Winding height HVC 16mm
Magnet
- Force factor Bl 6.8N/A
- Motor constant Bl/√RE 2.9N/√W
- Air gap height HAG 6mm
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 21g
- Moving mass (without air load) MMD 18.6g
Suspensions
- Stiffness KMS 0.769N/mm
- Compliance CMS 1300µm/N
- Equivalent volume to the compliance VAS 89.1L
- Mechanical resistance RMS 2N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 212mm
- Baffle cutout diameter 181mm
- Overall depth 89mm
- Volume occupied by the driver (estimated) 0.57L
- Net weight 1.3kg
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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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