PRV Audio 21SW3000-NDY-4
4Ω
Subwoofer
| Nominal diameter | 21″ / 547 mm |
| Resonance | 31.4 Hz |
| Q factor | 0.34 |
| Sensitivity | 95.9 dB |
| Linear excursion | ± 13.3 mm |
| Program Power | 3000 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
- Frequency response 35 - 1800Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31.4Hz
- Mechanical quality factor QMS 11.90
- Electrical quality factor QES 0.35
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion xmax 13.3mm
- Air volume displaced at xmax VD 2549cm³
- Power handling P 1500W
- Program power Pmax 3000W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz) LE 1.45mH
- VC Diameter 114.3mm
- Winding height HVC 34mm
- Winding material Copper
- Former material Glass Fiber
Magnet
- Force factor Bl 26.7N/A
- Motor constant Bl/√RE 14.9N/√W
- Air gap height HAG 15mm
- Material Neodymium
Diaphragm
- Effective diameter 495mm
- Effective area SD 1924cm²
- Moving mass MMS 392g
- Moving mass (without air load) MMD 337g
Suspensions
- Stiffness KMS 15.4N/mm
- Compliance CMS 65µm/N
- Equivalent volume to the compliance VAS 337L
- Mechanical resistance RMS 6.5N·s/m
Dimensions
- Nominal diameter 21″
- 547mm
- Overall diameter 547mm
- Baffle cutout diameter 508mm
- Overall depth 255mm
- Flange thickness 21mm
- Mounting depth 234mm
- Volume occupied by the driver (estimated) 8.1L
- Net weight 10.9kg
- Frame material Die Cast Aluminum
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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