PRV Audio 21SW3000-NDY-4

Name: 21SW3000-NDY-4
Brand: PRV Audio

Subwoofer

21″ / 547 mm

Nominal diameter

31 Hz

Resonance

0.34

Q factor

96 dB

Sensitivity

± 13.25 mm

Linear excursion

3000 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.9; dB
Frequency response: 35 - 1800; Hz
Resonance frequency (free air)
f_S: 31.4; Hz
Mechanical quality factor
Q_MS: 11.90
Electrical quality factor
Q_ES: 0.35
Total quality factor
Q_TS: 0.34
Maximum linear excursion
x_max: 13.25; mm
Air volume displaced at x_max
V_D: 2549; cm³
Power handling
P: 1500; W
Program power
P_max: 3000; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.2; Ω
Inductance (1kHz)
L_E: 1.45; mH
VC Diameter: 114; mm
Winding height
H_VC: 34; mm
Winding material: Copper
Former material: Glass Fiber
Force factor
Bl: 26.65; N/A
Motor constant
Bl/√R_E: 14.9; N/√W
Air gap height
H_AG: 15; mm
Material: Neodymium
Effective diameter: 495; mm
Effective area
S_D: 1924; cm²
Moving mass
M_MS: 392; g
Moving mass (without air load)
M_MD: 336.7; g
Stiffness
K_MS: 15.39; N/mm
Compliance
C_MS: 65; µm/N
Equivalent volume to the compliance
V_AS: 337; L
Mechanical resistance
R_MS: 6.5; N·s/m
Nominal diameter: 21; ″
: 547; mm
Overall diameter: 547; mm
Baffle cutout diameter: 508; mm
Overall depth: 255; mm
Flange thickness: 21; mm
Mounting depth: 234; mm
Volume occupied by the driver (estimated): 8.1; L
Net weight: 10.9; kg
Frame material: Die Cast Aluminum

Datasheet

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PRV Audio 21SW3000-NDY-4

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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