QUANTUM QPW3000/8D4
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 214 mm |
| Resonance | 41.1 Hz |
| Q factor | 0.40 |
| Sensitivity | 82.8 dB |
| Program Power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 41.1Hz
- Mechanical quality factor QMS 3.80
- Electrical quality factor QES 0.44
- Total quality factor QTS 0.40
Large signal parameters
- Power handling P 350W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.8Ω
- Inductance (1kHz, in series, estimated) LE 3.19mH
- VC Diameter 50.8mm
Magnet
- Force factor (in series) Bl 19.6N/A
- Motor constant Bl/√RE 7.52N/√W
Diaphragm
- Effective diameter 156mm
- Effective area SD 191cm²
- Moving mass MMS 98g
- Moving mass (without air load) MMD 95.9g
- Material Compressed Paper
Suspensions
- Stiffness KMS 6.49N/mm
- Compliance CMS 154µm/N
- Equivalent volume to the compliance VAS 7.98L
- Mechanical resistance RMS 6.66N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 8″
- 214mm
- Overall diameter 214mm
- Baffle cutout diameter 183mm
- Mounting depth 116mm
- Volume occupied by the driver (estimated) 0.98L
- Frame material Stamp-cast
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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