PowerBass S-1204
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 32 Hz |
| Q factor | 0.49 |
| Sensitivity | 87.9 dB |
| Linear excursion | ± 9 mm |
| Program power | 600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
- Frequency response 31 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 32Hz
- Mechanical quality factor QMS 5.58
- Electrical quality factor QES 0.54
- Total quality factor QTS 0.49
Large signal parameters
- Maximum linear excursion (one way) xmax 9mm
- Air volume displaced at xmax VD 460cm³
- Power handling P 300W
- Program power Pmax 600W
- Peak power Ppeak 600W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz, estimated) LE 1.93mH
- VC Diameter 50.8mm
- Winding material PIW wire
- Former material BASV
Magnet
- Force factor Bl 13.2N/A
- Motor constant Bl/√RE 7.38N/√W
- Weight 4.03kg
Diaphragm
- Effective diameter 255mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 143g
- Moving mass MMD 135g
- Material 4-layer Black Paper/Wool Cone
Suspensions
- Stiffness KMS 6N/mm
- Compliance CMS 167µm/N
- Equivalent volume to the compliance VAS 61.8L
- Mechanical resistance RMS 5.15N·s/m
- Surround material Foam
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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