Beyma 8BR40/N
Subwoofer
8″ / 200 mm
Nominal diameter
30 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 6.7 mm
Linear excursion
100 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.6
- dB
- Frequency response
- 30 - 6000
- Hz
- Resonance frequency (free air)
- fS
- 30.0
- Hz
- Mechanical quality factor
- QMS
- 2.10
- Electrical quality factor
- QES
- 0.48
- Total quality factor
- QTS
- 0.39
- Maximum linear excursion
- xmax
- 6.7
- mm
- Maximum excursion before damage
- xlim
- 20.0
- mm
- Air volume displaced at xmax
- VD
- 147
- cm³
- Power handling
- P
- 50
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.5
- Ω
- Inductance (1kHz)
- LE
- 0.5
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 16
- mm
- Force factor
- Bl
- 6.8
- N/A
- Motor constant
- Bl/√RE
- 2.9
- N/√W
- Air gap height
- HAG
- 6
- mm
- Effective diameter
- 167
- mm
- Effective area
- SD
- 220
- cm²
- Moving mass
- MMS
- 21
- g
- Moving mass (without air load)
- MMD
- 18.6
- g
- Stiffness
- KMS
- 0.77
- N/mm
- Compliance
- CMS
- 1300
- µm/N
- Equivalent volume to the compliance
- VAS
- 89.1
- L
- Mechanical resistance
- RMS
- 2.0
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 212
- mm
- Baffle cutout diameter
- 181
- mm
- Overall depth
- 89
- mm
- Volume occupied by the driver (estimated)
- 0.57
- L
- Net weight
- 1.3
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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