Eminence DEFINIMAX 4015ULF-8

Name: DEFINIMAX 4015ULF-8
Brand: Eminence

Subwoofer

15″ / 381 mm

Nominal diameter

38 Hz

Resonance

0.34

Q factor

94 dB

Sensitivity

± 7.3 mm

Linear excursion

2400 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.6; dB
Frequency response: 35 - 200; Hz
Resonance frequency (free air)
f_S: 38.0; Hz
Mechanical quality factor
Q_MS: 10.27
Electrical quality factor
Q_ES: 0.35
Total quality factor
Q_TS: 0.34
Maximum linear excursion
x_max: 7.3; mm
Maximum excursion before damage
x_lim: 15.5; mm
Air volume displaced at x_max
V_D: 625; cm³
Power handling
P: 1200; W
Program power
P_max: 2400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 6.2; Ω
Inductance (1kHz)
L_E: 4.43; mH
VC Diameter: 102; mm
Winding material: Copper
Former material: Kapton
Force factor
Bl: 26.79; N/A
Motor constant
Bl/√R_E: 10.8; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 3.09; kg
Material: Ferrite
Effective diameter: 330; mm
Effective area
S_D: 856; cm²
Moving mass
M_MS: 173; g
Moving mass (without air load)
M_MD: 155.6; g
Material: Water resistant paper
Stiffness
K_MS: 10.0; N/mm
Compliance
C_MS: 100; µm/N
Equivalent volume to the compliance
V_AS: 102; L
Mechanical resistance
R_MS: 4.02; N·s/m
Surround material: Cloth
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 386; mm
Baffle cutout diameter: 356; mm
Overall depth: 167; mm
Volume occupied by the driver: 4.31; L
Net weight: 10.75; kg
Frame material: Die-cast aluminum

Eminence DEFINIMAX 4015ULF-8 SPL & Impedance

Datasheet

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Eminence DEFINIMAX 4015ULF-8

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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