PowerBass 3XL-820D
2x1Ω
2x2Ω
Subwoofer
| Nominal diameter | 8″ / 203 mm |
| Resonance | 52.6 Hz |
| Q factor | 0.66 |
| Sensitivity | 82.5 dB |
| Linear excursion | ± 12 mm |
| Program power | 750 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.5dB
- Frequency response 43 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 52.6Hz
- Mechanical quality factor QMS 4.54
- Electrical quality factor QES 0.78
- Total quality factor QTS 0.66
Large signal parameters
- Maximum linear excursion (one way) xmax 12mm
- Air volume displaced at xmax VD 257cm³
- Power handling P 500W
- Program power Pmax 750W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 4.6Ω
- Inductance (1kHz, in series, estimated) LE 2.46mH
- VC Diameter 63mm
- Winding material Copper Clad Aluminium
- Former material BASV
Magnet
- Force factor (in series) Bl 15.6N/A
- Motor constant Bl/√RE 7.26N/√W
- Weight 2.268kg
- Material Y-35 Strontium Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass (including air load) MMS 120g
- Moving mass MMD 117g
- Material Multi-Layered Non-Pressed Paper with Pulp Fibers
Suspensions
- Stiffness KMS 14.1N/mm
- Compliance CMS 71µm/N
- Equivalent volume to the compliance VAS 4.59L
- Mechanical resistance RMS 8.7N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 8″
- 203mm
- Mounting depth 156mm
- Volume occupied by the driver 1.81L
- Frame material Cast Aluminium
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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