Eighteen Sound 18NLW4100 8Ω

8Ω

Subwoofer

18″ / 462 mm

Nominal diameter

31 Hz

Resonance

0.34

Q factor

93 dB

Sensitivity

± 15 mm

Linear excursion

3000 W

Program Power

Eighteen Sound 18NLW4100 8Ω Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 93.4; dB
Frequency response: 30 - 800; Hz
Resonance frequency (free air)
f_S: 31.0; Hz
Mechanical quality factor
Q_MS: 11.20
Electrical quality factor
Q_ES: 0.35
Total quality factor
Q_TS: 0.34
Maximum linear excursion
x_max: 15.0; mm
Air volume displaced at x_max
V_D: 1838; cm³
Power handling
P: 1500; W
Program power
P_max: 3000; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 4.9; Ω
Inductance (1kHz)
L_E: 2.29; mH
VC Diameter: 100; mm
Winding material: Copper
Force factor
Bl: 29.0; N/A
Motor constant
Bl/√R_E: 13.1; N/√W
Material: Neodymium
Effective diameter: 395; mm
Effective area
S_D: 1225; cm²
Moving mass
M_MS: 307; g
Moving mass (without air load)
M_MD: 277.3; g
Material: Weather protected
Stiffness
K_MS: 11.63; N/mm
Compliance
C_MS: 86; µm/N
Equivalent volume to the compliance
V_AS: 180; L
Mechanical resistance
R_MS: 5.34; N·s/m
Nominal diameter: 18; ″
: 462; mm
Overall diameter: 462; mm
Baffle cutout diameter: 416; mm
Overall depth: 232; mm
Flange thickness: 23; mm
Mounting depth: 209; mm
Volume occupied by the driver (estimated): 6.5; L
Net weight: 10.0; kg

Eighteen Sound 18NLW4100 8Ω SPL

Eighteen Sound 18NLW4100 8Ω Dimensions

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