SB Acoustics SB23MFCL45-8
4Ω
8Ω
Subwoofer
8″ / 203 mm
Nominal diameter
29 Hz
Resonance
0.43
Q factor
84 dB
Sensitivity
± 10.5 mm
Linear excursion
300 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 84.4
- dB
- Resonance frequency (free air)
- fS
- 28.5
- Hz
- Mechanical quality factor
- QMS
- 7.30
- Electrical quality factor
- QES
- 0.46
- Total quality factor
- QTS
- 0.43
- Maximum linear excursion
- xmax
- 10.5
- mm
- Air volume displaced at xmax
- VD
- 221
- cm³
- Power handling
- P
- 150
- W
- Program power
- Pmax
- 300
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.2
- Ω
- Inductance (1kHz)
- LE
- 1.02
- mH
- VC Diameter
- 46
- mm
- Winding height
- HVC
- 29.2
- mm
- Flux density
- B
- 1.03
- T
- Force factor
- Bl
- 11.3
- N/A
- Motor constant
- Bl/√RE
- 4.54
- N/√W
- Air gap height
- HAG
- 8
- mm
- Weight
- 2.0
- kg
- Effective diameter
- 164
- mm
- Effective area
- SD
- 210
- cm²
- Moving mass
- MMS
- 53
- g
- Moving mass (without air load)
- MMD
- 50.8
- g
- Stiffness
- KMS
- 1.7
- N/mm
- Compliance
- CMS
- 590
- µm/N
- Equivalent volume to the compliance
- VAS
- 37
- L
- Mechanical resistance
- RMS
- 1.3
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Volume occupied by the driver (estimated)
- 2.0
- L
- Net weight
- 4.7
- kg