DB Drive WDX12G0.4

Subwoofer

12″ / 304 mm

Nominal diameter

35 Hz

Resonance

0.55

Q factor

85 dB

Sensitivity

± 14 mm

Linear excursion

1200 W

Program Power

DB Drive WDX12G0.4 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.2; dB
Resonance frequency (free air)
f_S: 34.8; Hz
Mechanical quality factor
Q_MS: 2.88
Electrical quality factor
Q_ES: 0.67
Total quality factor
Q_TS: 0.55
Maximum linear excursion
x_max: 14.0; mm
Air volume displaced at x_max
V_D: 742; 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: 6.8; Ω
Inductance (1kHz, in series, estimated)
L_E: 2.69; mH
VC Diameter: 64; mm
Force factor (in series)
Bl: 23.11; N/A
Motor constant
Bl/√R_E: 8.86; N/√W
Effective diameter: 260; mm
Effective area
S_D: 530; cm²
Moving mass
M_MS: 241.7; g
Moving mass (without air load)
M_MD: 233; g
Material: Reinforced paper
Stiffness
K_MS: 11.49; N/mm
Compliance
C_MS: 87; µm/N
Equivalent volume to the compliance
V_AS: 34.6; L
Mechanical resistance
R_MS: 18.37; N·s/m
Nominal diameter: 12; ″
: 304; mm
Overall diameter: 315; mm
Baffle cutout diameter: 276; mm
Mounting depth: 166; mm
Volume occupied by the driver (estimated): 2.6; L

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