PowerBass XL-1240DMF
2x4Ω
4ΩSubwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 35 Hz |
| Q factor | 0.71 |
| Sensitivity | 90.6 dB |
| Linear excursion | ± 9.5 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.6dB
- Frequency response 32 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 4.50
- Electrical quality factor QES 0.75
- Total quality factor QTS 0.71
Large signal parameters
- Maximum linear excursion (one way) xmax 9.5mm
- Air volume displaced at xmax VD 466cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.8Ω
- Inductance (1kHz, in series, estimated) LE 3.59mH
- VC Diameter 51mm
Magnet
- Force factor (in series) Bl 23.2N/A
- Motor constant Bl/√RE 6.29N/√W
- Weight 3.97kg
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass MMS 117g
- Moving mass (without air load) MMD 109g
- Material Polypropylene
Suspensions
- Stiffness KMS 6.25N/mm
- Compliance CMS 160µm/N
- Equivalent volume to the compliance VAS 59L
- Mechanical resistance RMS 5.72N·s/m
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 279mm
- Mounting depth 142mm
- Volume occupied by the driver (estimated) 2.4L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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