PowerBass XL-844
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 8″ / 203 mm |
| Resonance | 41.9 Hz |
| Q factor | 0.51 |
| Sensitivity | 81.5 dB |
| Linear excursion | ± 5 mm |
| Program power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.5dB
- Frequency response 40 - 400Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 41.9Hz
- Mechanical quality factor QMS 5.53
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.51
Large signal parameters
- Maximum linear excursion (one way) xmax 5mm
- Air volume displaced at xmax VD 88cm³
- Power handling P 200W
- Program power Pmax 400W
- Peak power Ppeak 400W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz, estimated) LE 1.66mH
- VC Diameter 50.8mm
- Winding material EIW wire
- Former material BASV
Magnet
- Force factor Bl 12.8N/A
- Motor constant Bl/√RE 6.84N/√W
Diaphragm
- Effective diameter 150mm
- Effective area SD 177cm²
- Moving mass (including air load) MMS 98.8g
- Moving mass MMD 97g
- Material 4-layer, Non-pressed Paper, DDC Finish
Suspensions
- Stiffness KMS 6.85N/mm
- Compliance CMS 146µm/N
- Equivalent volume to the compliance VAS 6.44L
- Mechanical resistance RMS 4.7N·s/m
- Surround material Santoprene
Dimensions
- Nominal diameter 8″
- 203mm
- Mounting depth 111mm
- Volume occupied by the driver (estimated) 0.85L
- Frame material Composite
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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