PowerBass XL-1240TD
2x4Ω
4ΩShallow Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 31.8 Hz |
| Q factor | 0.75 |
| Sensitivity | 90 dB |
| Linear excursion | ± 7.5 mm |
| Program power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90dB
- Frequency response 33 - 450Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31.8Hz
- Mechanical quality factor QMS 4.65
- Electrical quality factor QES 0.90
- Total quality factor QTS 0.75
Large signal parameters
- Maximum linear excursion (one way) xmax 7.5mm
- Air volume displaced at xmax VD 383cm³
- Power handling P 400W
- Program power Pmax 800W
- Peak power Ppeak 800W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 4.9mH
- VC Diameter 50.8mm
- Former material KSV
Magnet
- Force factor (in series) Bl 35.1N/A
- Motor constant Bl/√RE 9.82N/√W
- Weight 3.97kg
Diaphragm
- Effective diameter 255mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 204g
- Moving mass MMD 194g
- Material Flat Injection Molded Cone
Suspensions
- Stiffness KMS 10.2N/mm
- Compliance CMS 123µm/N
- Equivalent volume to the compliance VAS 45.5L
- Mechanical resistance RMS 9.4N·s/m
- Surround material Santoprene
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 281mm
- Mounting depth 97mm
- 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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