PowerBass M-1204
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 29 Hz |
| Q factor | 0.40 |
| Sensitivity | 87.3 dB |
| Linear excursion | ± 9.5 mm |
| Program power | 750 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB
- Frequency response 29 - 450Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 29Hz
- Mechanical quality factor QMS 4.94
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.40
Large signal parameters
- Maximum linear excursion (one way) xmax 9.5mm
- Air volume displaced at xmax VD 466cm³
- Power handling P 375W
- Program power Pmax 750W
- Peak power Ppeak 750W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz, estimated) LE 2.07mH
- VC Diameter 50.8mm
- Winding material EIW wire
- Former material BASV
Magnet
- Force factor Bl 14.5N/A
- Motor constant Bl/√RE 8.08N/√W
- Weight 4.65kg
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass (including air load) MMS 159g
- Moving mass MMD 151g
- Material 4-layer, Non-pressed Paper, DDC Finish
Suspensions
- Stiffness KMS 5.02N/mm
- Compliance CMS 199µm/N
- Equivalent volume to the compliance VAS 68.2L
- Mechanical resistance RMS 5.85N·s/m
- Surround material Santoprene
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 297mm
- Mounting depth 140mm
- Volume occupied by the driver (estimated) 2.4L
- Frame material Stamped steel
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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