QUANTUM QPW3000/12D4
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 326 mm |
| Resonance | 30 Hz |
| Q factor | 0.58 |
| Sensitivity | 85.4 dB |
| Program Power | 3000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 5.48
- Electrical quality factor QES 0.65
- Total quality factor QTS 0.58
Large signal parameters
- Power handling P 750W
- Program power Pmax 3000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.8Ω
- Inductance (1kHz, in series, estimated) LE 5.55mH
- VC Diameter 63.5mm
Magnet
- Force factor (in series) Bl 21.1N/A
- Motor constant Bl/√RE 8.1N/√W
Diaphragm
- Effective diameter 259mm
- Effective area SD 527cm²
- Moving mass MMS 225g
- Moving mass (without air load) MMD 216g
- Material Compressed Paper
Suspensions
- Stiffness KMS 8.2N/mm
- Compliance CMS 122µm/N
- Equivalent volume to the compliance VAS 48L
- Mechanical resistance RMS 7.74N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 326mm
- Overall diameter 326mm
- Baffle cutout diameter 165mm
- Mounting depth 285mm
- Volume occupied by the driver (estimated) 2.9L
- Frame material Stamp-cast
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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