PRV Audio 21SW4000-NDY-2
2Ω
Subwoofer
Nominal diameter | 21″ / 547 mm |
Resonance | 30.8 Hz |
Q factor | 0.28 |
Sensitivity | 95.9 dB |
Linear excursion | ± 15 mm |
Program Power | 4000 W |
Discontinued
.jpg)
.jpg)
.jpg)
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
- Frequency response 35 - 1200Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30.8Hz
- Mechanical quality factor QMS 12.33
- Electrical quality factor QES 0.28
- Total quality factor QTS 0.28
Large signal parameters
- Maximum linear excursion xmax 15mm
- Air volume displaced at xmax VD 2886cm³
- Power handling P 2000W
- Program power Pmax 4000W
Voice Coil
- Nominal impedance Z 2Ω
- DC resistance RE 1.8Ω
- Inductance (1kHz) LE 1.14mH
- VC Diameter 134.6mm
- Winding height HVC 39mm
- Winding material Copper
- Former material Glass Fiber
Magnet
- Force factor Bl 24.4N/A
- Motor constant Bl/√RE 18.2N/√W
- Air gap height HAG 18mm
- Material Neodymium
Diaphragm
- Effective diameter 495mm
- Effective area SD 1924cm²
- Moving mass MMS 485g
- Moving mass (without air load) MMD 430g
Suspensions
- Stiffness KMS 18.2N/mm
- Compliance CMS 55µm/N
- Equivalent volume to the compliance VAS 285L
- Mechanical resistance RMS 7.61N·s/m
Dimensions
- Nominal diameter 21″
- 547mm
- Overall diameter 547mm
- Baffle cutout diameter 508mm
- Overall depth 265mm
- Flange thickness 20mm
- Mounting depth 245mm
- Volume occupied by the driver (estimated) 9.6L
- Net weight 13.7kg
- Frame material Die Cast Aluminum
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·





