PowerBass XL-1240SS
4Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 34.4 Hz |
| Q factor | 0.54 |
| Sensitivity | 90.4 dB |
| Linear excursion | ± 7.9 mm |
| Program power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.4dB
- Frequency response 36 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34.4Hz
- Mechanical quality factor QMS 6.34
- Electrical quality factor QES 0.60
- Total quality factor QTS 0.54
Large signal parameters
- Maximum linear excursion (one way) xmax 7.9mm
- Air volume displaced at xmax VD 404cm³
- Power handling P 250W
- Program power Pmax 500W
- Peak power Ppeak 500W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.4Ω
- Inductance (1kHz, estimated) LE 2.39mH
- VC Diameter 50.8mm
- Former material Kapton
Magnet
- Force factor Bl 14.9N/A
- Motor constant Bl/√RE 8.1N/√W
- Weight 1.637kg
Diaphragm
- Effective diameter 250mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 180g
- Moving mass MMD 109g
- Material Polypropylene
Suspensions
- Stiffness KMS 6.25N/mm
- Compliance CMS 119µm/N
- Equivalent volume to the compliance VAS 43.8L
- Mechanical resistance RMS 5.72N·s/m
- Surround material TPO Thermoplastic Polyurethane
- Spider material Treated Textile
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 278mm
- Mounting depth 148mm
- Volume occupied by the driver (estimated) 2.4L
- Frame material Composite Polycarbonate / Glass Fiber
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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