ALPINE SWG-844
4Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 34 Hz |
| Q factor | 0.42 |
| Sensitivity | 86.2 dB |
| Linear excursion | ± 8 mm |
| Program power | 240 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
- Frequency response 34 - 1500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34Hz
- Mechanical quality factor QMS 5.10
- Electrical quality factor QES 0.46
- Total quality factor QTS 0.42
Large signal parameters
- Maximum linear excursion (one way) xmax 8mm
- Maximum excursion before damage xlim 19mm
- Air volume displaced at xmax VD 173cm³
- Power handling P 120W
- Program power Pmax 240W
- Peak power Ppeak 400W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 1.17mH
- VC Diameter 38mm
- Winding height HVC 22mm
- Winding material Copper
- Former material ASV
Magnet
- Force factor Bl 8.5N/A
- Motor constant Bl/√RE 4.48N/√W
- Air gap height HAG 8mm
- Diameter 134mm
- Weight 1.62kg
- Material Strontium
Diaphragm
- Effective diameter 166mm
- Effective area SD 216cm²
- Moving mass (including air load) MMS 43.4g
- Moving mass MMD 41.6g
- Material Drenched Long-Fibre Pulp, Polypropylene Reinforced
Suspensions
- Stiffness KMS 1.98N/mm
- Compliance CMS 505µm/N
- Equivalent volume to the compliance VAS 33.4L
- Mechanical resistance RMS 1.82N·s/m
- Surround material Butyl Rubber
- Spider material Carbonized Nomex®
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 212mm
- Baffle cutout diameter 183mm
- Overall depth 128mm
- Flange thickness 17mm
- Mounting depth 111mm
- Volume occupied by the driver 1.1L
- Frame material Heavy Gauge Steel
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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