Eighteen Sound 15NLW9401

4Ω

Subwoofer

15″ / 380 mm

Nominal diameter

40 Hz

Resonance

0.25

Q factor

95 dB

Sensitivity

± 10 mm

Linear excursion

2400 W

Program Power

Eighteen Sound 15NLW9401 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.3; dB
Frequency response: 37 - 2300; Hz
Resonance frequency (free air)
f_S: 40.0; Hz
Mechanical quality factor
Q_MS: 6.14
Electrical quality factor
Q_ES: 0.26
Total quality factor
Q_TS: 0.25
Maximum linear excursion
x_max: 10.0; mm
Air volume displaced at x_max
V_D: 850; cm³
Power handling
P: 1200; W
Program power
P_max: 2400; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 2.8; Ω
Inductance (1kHz)
L_E: 1.23; mH
VC Diameter: 100; mm
Winding material: Copper
Force factor
Bl: 20.0; N/A
Motor constant
Bl/√R_E: 12.0; N/√W
Material: Neodymium
Effective diameter: 329; mm
Effective area
S_D: 850; cm²
Moving mass
M_MS: 150; g
Moving mass (without air load)
M_MD: 132.5; g
Material: Weather protected
Stiffness
K_MS: 9.43; N/mm
Compliance
C_MS: 106; µm/N
Equivalent volume to the compliance
V_AS: 114; L
Mechanical resistance
R_MS: 6.14; N·s/m
Spider material: Double Silicon
Nominal diameter: 15; ″
: 380; mm
Overall diameter: 393; mm
Baffle cutout diameter: 354; mm
Overall depth: 180; mm
Flange thickness: 12; mm
Mounting depth: 168; mm
Volume occupied by the driver (estimated): 4.1; L
Net weight: 7.5; kg

Eighteen Sound 15NLW9401 SPL

Eighteen Sound 15NLW9401 Dimensions

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