PowerBass XL-1244
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 27.5 Hz |
| Q factor | 0.42 |
| Sensitivity | 86.6 dB |
| Linear excursion | ± 8 mm |
| Program power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.6dB
- Frequency response 26 - 300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 27.5Hz
- Mechanical quality factor QMS 4.79
- Electrical quality factor QES 0.46
- Total quality factor QTS 0.42
Large signal parameters
- Maximum linear excursion (one way) xmax 8mm
- Air volume displaced at xmax VD 393cm³
- Power handling P 400W
- Program power Pmax 800W
- Peak power Ppeak 800W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz, estimated) LE 2.19mH
- VC Diameter 50.8mm
- Winding material EIW wire
- Former material BASV, resin coated
Magnet
- Force factor Bl 14.4N/A
- Motor constant Bl/√RE 8.03N/√W
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass (including air load) MMS 172g
- Moving mass MMD 164g
- Material 4-layer, Non-pressed Paper, DDC Finish
Suspensions
- Stiffness KMS 5.13N/mm
- Compliance CMS 195µm/N
- Equivalent volume to the compliance VAS 66.4L
- Mechanical resistance RMS 6.21N·s/m
- Surround material Santoprene
Dimensions
- Nominal diameter 12″
- 305mm
- Mounting depth 146mm
- Volume occupied by the driver 3.43L
- Frame material Polycarbonate composite
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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