SB Acoustics SB23NBACS45-4
4Ω
8ΩWoofer
8″ / 203 mm
Nominal diameter
23 Hz
Resonance
0.33
Q factor
87 dB
Sensitivity
± 6.5 mm
Linear excursion
120 W
Program Power
.png)
.png)
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.1
- dB
- Resonance frequency (free air)
- fS
- 23.0
- Hz
- Mechanical quality factor
- QMS
- 5.40
- Electrical quality factor
- QES
- 0.35
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 6.5
- mm
- Air volume displaced at xmax
- VD
- 140
- cm³
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.3
- Ω
- Inductance (1kHz)
- LE
- 0.27
- mH
- VC Diameter
- 46
- mm
- Winding height
- HVC
- 19
- mm
- Flux density
- B
- 0.86
- T
- Force factor
- Bl
- 6.7
- N/A
- Motor constant
- Bl/√RE
- 3.69
- N/√W
- Air gap height
- HAG
- 6
- mm
- Weight
- 0.8
- kg
- Effective diameter
- 166
- mm
- Effective area
- SD
- 216
- cm²
- Moving mass
- MMS
- 32
- g
- Moving mass (without air load)
- MMD
- 29.7
- g
- Stiffness
- KMS
- 0.69
- N/mm
- Compliance
- CMS
- 1450
- µm/N
- Equivalent volume to the compliance
- VAS
- 95
- L
- Mechanical resistance
- RMS
- 0.9
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Net weight
- 2.7
- kg
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·





