Beyma CM-8/B
Woofer
8″ / 200 mm
Nominal diameter
73 Hz
Resonance
0.62
Q factor
91 dB
Sensitivity
± 6.7 mm
Linear excursion
200 W
Program Power
Discontinued
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.3
- dB
- Frequency response
- 40 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 73.0
- Hz
- Mechanical quality factor
- QMS
- 13.46
- Electrical quality factor
- QES
- 0.65
- Total quality factor
- QTS
- 0.62
- Maximum linear excursion
- xmax
- 6.7
- mm
- Maximum excursion before damage
- xlim
- 12.5
- mm
- Air volume displaced at xmax
- VD
- 147
- cm³
- Power handling
- P
- 100
- W
- Program power
- Pmax
- 200
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.2
- Ω
- Inductance (1kHz)
- LE
- 1.2
- mH
- VC Diameter
- 38
- mm
- Winding height
- HVC
- 16
- mm
- Force factor
- Bl
- 9.8
- N/A
- Motor constant
- Bl/√RE
- 3.94
- N/√W
- Air gap height
- HAG
- 6
- mm
- Material
- Ferrite
- Effective diameter
- 167
- mm
- Effective area
- SD
- 220
- cm²
- Moving mass
- MMS
- 22
- g
- Moving mass (without air load)
- MMD
- 19.7
- g
- Stiffness
- KMS
- 4.63
- N/mm
- Compliance
- CMS
- 216
- µm/N
- Equivalent volume to the compliance
- VAS
- 14.6
- L
- Mechanical resistance
- RMS
- 0.75
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Volume occupied by the driver (estimated)
- 0.9
- L
- Net weight
- 2.18
- kg