Skar Audio IVX-12v2 D4

2x4Ω

Subwoofer

12″ / 305 mm

Nominal diameter

38 Hz

Resonance

0.44

Q factor

88 dB

Sensitivity

± 11 mm

Linear excursion

800 W

Program Power

Discontinued

Skar Audio IVX-12v2 D4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 88.4; dB
Frequency response: 35 - 600; Hz
Resonance frequency (free air)
f_S: 38.0; Hz
Mechanical quality factor
Q_MS: 3.03
Electrical quality factor
Q_ES: 0.52
Total quality factor
Q_TS: 0.44
Maximum linear excursion
x_max: 11.0; mm
Air volume displaced at x_max
V_D: 561; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 7.1; Ω
Inductance (1kHz, in series, estimated)
L_E: 1.92; mH
VC Diameter: 51; mm
Force factor (in series)
Bl: 19.6; N/A
Motor constant
Bl/√R_E: 7.36; N/√W
Diameter: 160; mm
Effective diameter: 255; mm
Effective area
S_D: 510; cm²
Moving mass
M_MS: 130; g
Moving mass (without air load)
M_MD: 121.8; g
Stiffness
K_MS: 7.69; N/mm
Compliance
C_MS: 130; µm/N
Equivalent volume to the compliance
V_AS: 49.6; L
Mechanical resistance
R_MS: 10.24; N·s/m
Nominal diameter: 12; ″
: 305; mm
Baffle cutout diameter: 284; mm
Mounting depth: 150; mm
Volume occupied by the driver: 3.4; L

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