Skar Audio EVL-15 D4

2x4Ω

Subwoofer

15″ / 381 mm

Nominal diameter

36 Hz

Resonance

0.79

Q factor

87 dB

Sensitivity

± 23.5 mm

Linear excursion

2500 W

Program Power

Skar Audio EVL-15 D4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 87.2; dB
Resonance frequency (free air)
f_S: 36.0; Hz
Mechanical quality factor
Q_MS: 6.09
Electrical quality factor
Q_ES: 0.91
Total quality factor
Q_TS: 0.79
Maximum linear excursion
x_max: 23.5; mm
Air volume displaced at x_max
V_D: 1831; cm³
Power handling
P: 1250; W
Program power
P_max: 2500; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 9.6; Ω
Inductance (1kHz, in series, estimated)
L_E: 4.56; mH
VC Diameter: 76; mm
Winding material: Copper-clad aluminium
Force factor (in series)
Bl: 27.6; N/A
Motor constant
Bl/√R_E: 8.91; N/√W
Diameter: 180; mm
Effective diameter: 315; mm
Effective area
S_D: 779; cm²
Moving mass
M_MS: 324.5; g
Moving mass (without air load)
M_MD: 309; g
Material: Pressed Paper
Stiffness
K_MS: 20.83; N/mm
Compliance
C_MS: 48; µm/N
Equivalent volume to the compliance
V_AS: 41.4; L
Mechanical resistance
R_MS: 12.05; N·s/m
Surround material: Foam
Nominal diameter: 15; ″
: 381; mm
Baffle cutout diameter: 356; mm
Overall depth: 249; mm
Flange thickness: 32; mm
Mounting depth: 217; mm
Volume occupied by the driver (estimated): 9.8; L

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