DB Drive WDX15G3.4

Subwoofer

15″ / 381 mm

Nominal diameter

35 Hz

Resonance

0.83

Q factor

86 dB

Sensitivity

± 23 mm

Linear excursion

4000 W

Program Power

DB Drive WDX15G3.4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 86.4; dB
Resonance frequency (free air)
f_S: 34.8; Hz
Mechanical quality factor
Q_MS: 4.74
Electrical quality factor
Q_ES: 1.00
Total quality factor
Q_TS: 0.83
Maximum linear excursion
x_max: 23.0; mm
Air volume displaced at x_max
V_D: 1910; cm³
Power handling
P: 2000; W
Program power
P_max: 4000; W
Nominal impedance
Z: 2 x 4; Ω
DC resistance (in series)
R_E: 6.4; Ω
Inductance (1kHz, in series, estimated)
L_E: 3.25; mH
VC Diameter: 76; mm
Former material: Anodized aluminum
Force factor (in series)
Bl: 22.5; N/A
Motor constant
Bl/√R_E: 8.89; N/√W
Effective diameter: 325; mm
Effective area
S_D: 830; cm²
Moving mass
M_MS: 361; g
Moving mass (without air load)
M_MD: 343.7; g
Material: Non-Pressed paper
Stiffness
K_MS: 17.24; N/mm
Compliance
C_MS: 58; µm/N
Equivalent volume to the compliance
V_AS: 56.7; L
Mechanical resistance
R_MS: 16.63; N·s/m
Surround material: Foam
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 399; mm
Baffle cutout diameter: 218; mm
Mounting depth: 349; mm
Volume occupied by the driver (estimated): 4.9; L
Frame material: Aluminium

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