PowerBass 2XL-1240D
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 28.7 Hz |
| Q factor | 0.33 |
| Sensitivity | 86.7 dB |
| Linear excursion | ± 11.5 mm |
| Program power | 900 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB
- Frequency response 30 - 400Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 28.7Hz
- Mechanical quality factor QMS 6.55
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion (one way) xmax 11.5mm
- Air volume displaced at xmax VD 587cm³
- Power handling P 450W
- Program power Pmax 900W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.3Ω
- Inductance (1kHz, in series, estimated) LE 5.36mH
- VC Diameter 63.5mm
- Winding material SV Cooper
- Former material Black Anodized Aluminum
Magnet
- Force factor (in series) Bl 27.8N/A
- Motor constant Bl/√RE 11.1N/√W
- Weight 3.74kg
- Material Y-35 Strontium Ferrite
Diaphragm
- Effective diameter 255mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 238g
- Moving mass MMD 236g
- Material Woven Glass Fiber Cone with Pressed Kraft Paper Reinforcement
Suspensions
- Stiffness KMS 6.69N/mm
- Compliance CMS 129µm/N
- Equivalent volume to the compliance VAS 47.5L
- Mechanical resistance RMS 9.43N·s/m
- Surround material Nitrile Butadiene Rubber (NBR)
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 280mm
- Mounting depth 136mm
- Volume occupied by the driver (estimated) 2.4L
- Frame material Cast Aluminium
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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