SB Acoustics SB23NRXS45-4
4Ω
8ΩWoofer
8″ / 203 mm
Nominal diameter
27 Hz
Resonance
0.3
Q factor
89 dB
Sensitivity
± 6.5 mm
Linear excursion
120 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.7
- dB
- Resonance frequency (free air)
- fS
- 27.0
- Hz
- Mechanical quality factor
- QMS
- 5.55
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.30
- 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
- 0.29
- mH
- VC Diameter
- 46
- mm
- Winding height
- HVC
- 19
- mm
- Flux density
- B
- 0.86
- T
- Force factor
- Bl
- 6.9
- N/A
- Motor constant
- Bl/√RE
- 3.8
- N/√W
- Air gap height
- HAG
- 6
- mm
- Weight
- 0.8
- kg
- Effective diameter
- 166
- mm
- Effective area
- SD
- 216
- cm²
- Moving mass
- MMS
- 27.2
- g
- Moving mass (without air load)
- MMD
- 24.9
- g
- Stiffness
- KMS
- 0.75
- N/mm
- Compliance
- CMS
- 1330
- µm/N
- Equivalent volume to the compliance
- VAS
- 87.5
- L
- Mechanical resistance
- RMS
- 0.8
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Net weight
- 2.74
- 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
Speakerbench.png.webp)
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