PRV Audio 21SW4000-NDY-2

Subwoofer

21″ / 547 mm
Nominal diameter
31 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 15 mm
Linear excursion
4000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.9
dB
Frequency response
35 - 1200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.8
Hz
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
15.0
mm
Air volume displaced at xmax
VD
2886
cm³
Power handling
P
2000
W
Program power
Pmax
4000
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
1.8
Ω
Inductance (1kHz)
LE
1.14
mH
VC Diameter
135
mm
Winding height
HVC
39
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
24.36
N/A
Motor constant
Bl/√RE
18.2
N/√W
Air gap height
HAG
18
mm
Material
Neodymium

Diaphragm

Effective diameter
495
mm
Effective area
SD
1924
cm²
Moving mass
MMS
485
g
Moving mass (without air load)
MMD
429.7
g

Suspensions

Stiffness
KMS
18.18
N/mm
Compliance
CMS
55
µm/N
Equivalent volume to the compliance
VAS
285
L
Mechanical resistance
RMS
7.61
N·s/m

Dimensions

Nominal diameter
21
547
mm
Overall diameter
547
mm
Baffle cutout diameter
508
mm
Overall depth
265
mm
Flange thickness
20
mm
Mounting depth
245
mm
Volume occupied by the driver (estimated)
9.6
L
Net weight
13.7
kg
Frame material
Die Cast Aluminum
PRV Audio 21SW4000-NDY-2 SPL
PRV Audio 21SW4000-NDY-2 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to PRV Audio 21SW4000-NDY-2

Beyma 21QLEX1600Fe Subwoofer
21Subwoofer
fS
30 Hz
SD
1734 cm²
30 - 1000 Hz
QTS
0.28
xmax
13.0 mm
SPL1W
96 dB
Bl/√RE
16
Pmax
3200 W
RCF LF18Y402 Subwoofer
18Subwoofer
fS
30 Hz
SD
1200 cm²
25 - 1000 Hz
QTS
0.30
xmax
12.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W