Cerwin Vega VPRO122D

2x2Ω

Subwoofer

12″ / 320 mm

Nominal diameter

31 Hz

Resonance

0.57

Q factor

85 dB

Sensitivity

± 18.5 mm

Linear excursion

1500 W

Program Power

Cerwin Vega VPRO122D Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.1; dB
Resonance frequency (free air)
f_S: 30.5; Hz
Mechanical quality factor
Q_MS: 13.30
Electrical quality factor
Q_ES: 0.60
Total quality factor
Q_TS: 0.57
Maximum linear excursion
x_max: 18.5; mm
Air volume displaced at x_max
V_D: 907; cm³
Power handling
P: 750; W
Program power
P_max: 1500; W
Nominal impedance
Z: 2 x 2; Ω
DC resistance (in series)
R_E: 3.7; Ω
Inductance (1kHz, in series, estimated)
L_E: 1.37; mH
Force factor (in series)
Bl: 16.0; N/A
Motor constant
Bl/√R_E: 8.32; N/√W
Diameter: 165; mm
Effective diameter: 250; mm
Effective area
S_D: 490; cm²
Moving mass
M_MS: 217.7; g
Moving mass (without air load)
M_MD: 209.6; g
Stiffness
K_MS: 8.0; N/mm
Compliance
C_MS: 125; µm/N
Equivalent volume to the compliance
V_AS: 42.5; L
Mechanical resistance
R_MS: 3.14; N·s/m
Nominal diameter: 12; ″
: 320; mm
Overall diameter: 320; mm
Baffle cutout diameter: 272; mm
Mounting depth: 152; mm
Volume occupied by the driver: 2.29; L

Cerwin Vega VPRO122D Dimensions

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