Skar Audio SDR-12 D4

2x4Ω

Subwoofer

12″ / 308 mm

Nominal diameter

32 Hz

Resonance

0.5

Q factor

85 dB

Sensitivity

± 13.5 mm

Linear excursion

1200 W

Program Power

Skar Audio SDR-12 D4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 84.9; dB
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 4.21
Electrical quality factor
Q_ES: 0.57
Total quality factor
Q_TS: 0.50
Maximum linear excursion
x_max: 13.5; mm
Air volume displaced at x_max
V_D: 636; cm³
Power handling
P: 600; W
Program power
P_max: 1200; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 6.0; Ω
Inductance (1kHz, in series, estimated)
L_E: 2.2; mH
VC Diameter: 64; mm
Winding material: Copper
Force factor (in series)
Bl: 20.9; N/A
Motor constant
Bl/√R_E: 8.53; N/√W
Diameter: 155; mm
Effective diameter: 245; mm
Effective area
S_D: 471; cm²
Moving mass
M_MS: 213.2; g
Moving mass (without air load)
M_MD: 205.7; g
Material: Pressed Paper
Stiffness
K_MS: 7.25; N/mm
Compliance
C_MS: 138; µm/N
Equivalent volume to the compliance
V_AS: 43.4; L
Mechanical resistance
R_MS: 10.18; N·s/m
Surround material: Foam
Nominal diameter: 12; ″
: 308; mm
Overall diameter: 308; mm
Baffle cutout diameter: 285; mm
Overall depth: 192; mm
Flange thickness: 27; mm
Mounting depth: 165; mm
Volume occupied by the driver (estimated): 3.5; L

Export this driver to a simulation software:

Similar subwoofers to Skar Audio SDR-12 D4

Cerwin Vega V102D Subwoofer

f_S: 29 Hz
S_D: 330 cm²
Q_TS: 0.47
x_max: 17.0 mm
SPL_1W: 85 dB
Bl/√R_E: 6.4
P_max: 800 W

Cerwin Vega V102DV2 Subwoofer

f_S: 29 Hz
S_D: 330 cm²
Q_TS: 0.47
x_max: 17.0 mm
SPL_1W: 85 dB
Bl/√R_E: 6.4
P_max: 1100 W

Skar Audio SDR-12 D2 Subwoofer

f_S: 32 Hz
S_D: 471 cm²
Q_TS: 0.53
x_max: 13.5 mm
SPL_1W: 85 dB
Bl/√R_E: 9.32
P_max: 1200 W