PowerBass XL-1240
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 39.8 Hz |
| Q factor | 0.65 |
| Sensitivity | 87.7 dB |
| Linear excursion | ± 8.5 mm |
| Program power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB
- Frequency response 33 - 450Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 39.8Hz
- Mechanical quality factor QMS 4.04
- Electrical quality factor QES 0.77
- Total quality factor QTS 0.65
Large signal parameters
- Maximum linear excursion (one way) xmax 8.5mm
- Air volume displaced at xmax VD 469cm³
- Power handling P 400W
- Program power Pmax 800W
- Peak power Ppeak 800W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz, estimated) LE 2.65mH
- VC Diameter 50.8mm
- Winding material EIW wire
- Former material BASV
Magnet
- Force factor Bl 14.8N/A
- Motor constant Bl/√RE 7.6N/√W
- Weight 5.27kg
- Material Dual stacked
Diaphragm
- Effective diameter 265mm
- Effective area SD 552cm²
- Moving mass (including air load) MMS 178g
- Moving mass MMD 163g
- Material 4-layer, Non-pressed Paper, DDC Finish
Suspensions
- Stiffness KMS 7.83N/mm
- Compliance CMS 89.9µm/N
- Equivalent volume to the compliance VAS 38.8L
- Mechanical resistance RMS 9.56N·s/m
- Surround material Santoprene
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 281mm
- Mounting depth 145mm
- Volume occupied by the driver (estimated) 2.4L
- Frame material Polycarbonate
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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