PowerBass 4XL-151D

2x1Ω

Subwoofer

15″ / 381 mm

Nominal diameter

35 Hz

Resonance

0.35

Q factor

88 dB

Sensitivity

± 28 mm

Linear excursion

7000 W

Program Power

PowerBass 4XL-151D Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 87.7; dB
Frequency response: 30 - 500; Hz
Resonance frequency (free air)
f_S: 35.0; Hz
Mechanical quality factor
Q_MS: 3.60
Electrical quality factor
Q_ES: 0.38
Total quality factor
Q_TS: 0.35
Maximum linear excursion
x_max: 28.0; mm
Air volume displaced at x_max
V_D: 2394; cm³
Power handling
P: 3500; W
Program power
P_max: 7000; W
Nominal impedance
Z: 2 x 1; Ω
DC resistance (in series)
R_E: 1.4; Ω
Inductance (1kHz, in series, estimated)
L_E: 0.99; mH
VC Diameter: 102; mm
Force factor (in series)
Bl: 22.24; N/A
Motor constant
Bl/√R_E: 18.8; N/√W
Weight: 18.14; kg
Effective diameter: 330; mm
Effective area
S_D: 855; cm²
Moving mass
M_MS: 619.7; g
Moving mass (without air load)
M_MD: 602.6; g
Material: Non Press Pulp Paper Cone
Stiffness
K_MS: 29.71; N/mm
Compliance
C_MS: 34; µm/N
Equivalent volume to the compliance
V_AS: 35; L
Mechanical resistance
R_MS: 37.78; N·s/m
Nominal diameter: 15; ″
: 381; mm
Baffle cutout diameter: 360; mm
Mounting depth: 286; mm
Volume occupied by the driver (estimated): 4.3; L

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