RCF MB8N251
Woofer
8″ / 203 mm
Nominal diameter
68 Hz
Resonance
0.25
Q factor
93 dB
Sensitivity
± 5 mm
Linear excursion
600 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.9
- dB
- Frequency response
- 60 - 3500
- Hz
- Resonance frequency (free air)
- fS
- 68.0
- Hz
- Mechanical quality factor
- QMS
- 4.60
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 5.0
- mm
- Maximum excursion before damage
- xlim
- 20.0
- mm
- Air volume displaced at xmax
- VD
- 100
- cm³
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 1.3
- mH
- VC Diameter
- 63
- mm
- Winding height
- HVC
- 14
- mm
- Winding material
- Aluminium
- Former material
- Glass Fiber
- Force factor
- Bl
- 15.2
- N/A
- Motor constant
- Bl/√RE
- 6.73
- N/√W
- Air gap height
- HAG
- 9
- mm
- Effective diameter
- 165
- mm
- Effective area
- SD
- 200
- cm²
- Moving mass
- MMS
- 27
- g
- Moving mass (without air load)
- MMD
- 24.9
- g
- Stiffness
- KMS
- 5.03
- N/mm
- Compliance
- CMS
- 199
- µm/N
- Equivalent volume to the compliance
- VAS
- 13
- L
- Mechanical resistance
- RMS
- 2.51
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Overall diameter
- 208
- mm
- Baffle cutout diameter
- 185
- mm
- Overall depth
- 102
- mm
- Volume occupied by the driver
- 0.6
- L
- Net weight
- 2.01
- kg