PowerBass S-84D
4Ω
2x4Ω
Subwoofer
8″ / 203 mm
Nominal diameter
42 Hz
Resonance
0.46
Q factor
85 dB
Sensitivity
± 7 mm
Linear excursion
250 W
Program Power
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- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.3
- dB
- Frequency response
- 42 - 800
- Hz
- Resonance frequency (free air)
- fS
- 42.0
- Hz
- Mechanical quality factor
- QMS
- 4.30
- Electrical quality factor
- QES
- 0.52
- Total quality factor
- QTS
- 0.46
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 144
- cm³
- Power handling
- P
- 125
- W
- Program power
- Pmax
- 250
- W
- Nominal impedance
- Z
- 2 x 4
- Ω
- DC resistance (in series)
- RE
- 6.6
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.01
- mH
- VC Diameter
- 38
- mm
- Force factor (in series)
- Bl
- 12.8
- N/A
- Motor constant
- Bl/√RE
- 4.98
- N/√W
- Weight
- 3.29
- kg
- Effective diameter
- 162
- mm
- Effective area
- SD
- 206
- cm²
- Moving mass
- MMS
- 51.5
- g
- Moving mass (without air load)
- MMD
- 49.3
- g
- Material
- Pressed Wool / Paper
- Stiffness
- KMS
- 3.58
- N/mm
- Compliance
- CMS
- 279
- µm/N
- Equivalent volume to the compliance
- VAS
- 18.4
- L
- Mechanical resistance
- RMS
- 3.16
- N·s/m
- Nominal diameter
- 8
- ″
- 203
- mm
- Baffle cutout diameter
- 181
- mm
- Mounting depth
- 89
- mm
- Volume occupied by the driver (estimated)
- 0.85
- L
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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