PowerBass M-1204
4Ω
2x4ΩSubwoofer
12″ / 305 mm
Nominal diameter
29 Hz
Resonance
0.4
Q factor
87 dB
Sensitivity
± 9.5 mm
Linear excursion
750 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.3
- dB
- Frequency response
- 29 - 450
- Hz
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 4.94
- Electrical quality factor
- QES
- 0.43
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 9.5
- mm
- Air volume displaced at xmax
- VD
- 466
- cm³
- Power handling
- P
- 375
- W
- Program power
- Pmax
- 750
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.2
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.98
- mH
- VC Diameter
- 51
- mm
- Force factor
- Bl
- 14.45
- N/A
- Motor constant
- Bl/√RE
- 8.08
- N/√W
- Weight
- 4.65
- kg
- Effective diameter
- 250
- mm
- Effective area
- SD
- 491
- cm²
- Moving mass
- MMS
- 158.5
- g
- Moving mass (without air load)
- MMD
- 150.7
- g
- Material
- Non Pressed Paper
- Stiffness
- KMS
- 5.02
- N/mm
- Compliance
- CMS
- 199
- µm/N
- Equivalent volume to the compliance
- VAS
- 68.2
- L
- Mechanical resistance
- RMS
- 5.85
- N·s/m
- Nominal diameter
- 12
- ″
- 305
- mm
- Baffle cutout diameter
- 297
- mm
- Mounting depth
- 140
- mm
- Volume occupied by the driver (estimated)
- 2.4
- L
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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