Eighteen Sound 18NTLW5000

4Ω

Subwoofer

18″ / 462 mm

Nominal diameter

32 Hz

Resonance

0.3

Q factor

94 dB

Sensitivity

± 17.5 mm

Linear excursion

4000 W

Program Power

Eighteen Sound 18NTLW5000 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 94.0; dB
Frequency response: 35 - 1000; Hz
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 9.50
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.30
Maximum linear excursion
x_max: 17.5; mm
Air volume displaced at x_max
V_D: 2144; cm³
Power handling
P: 1800; W
Program power
P_max: 4000; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.1; Ω
Inductance (1kHz)
L_E: 1.23; mH
VC Diameter: 115; mm
Winding material: Aluminum
Force factor
Bl: 25.0; N/A
Motor constant
Bl/√R_E: 14.2; N/√W
Effective diameter: 395; mm
Effective area
S_D: 1225; cm²
Moving mass
M_MS: 306; g
Moving mass (without air load)
M_MD: 276.3; g
Material: Water,UV repellent
Stiffness
K_MS: 12.35; N/mm
Compliance
C_MS: 81; µm/N
Equivalent volume to the compliance
V_AS: 165; L
Mechanical resistance
R_MS: 6.48; N·s/m
Nominal diameter: 18; ″
: 462; mm
Overall diameter: 462; mm
Baffle cutout diameter: 416; mm
Overall depth: 310; mm
Flange thickness: 26; mm
Mounting depth: 284; mm
Volume occupied by the driver (estimated): 8.8; L
Net weight: 12.0; kg

Eighteen Sound 18NTLW5000 SPL

Eighteen Sound 18NTLW5000 Dimensions

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Similar subwoofers to Eighteen Sound 18NTLW5000

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f_S: 32 Hz
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Eighteen Sound 18NTLW5000 8Ω Subwoofer

f_S: 32 Hz
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B&C Speaker 18SW115 Subwoofer

f_S: 34 Hz
S_D: 1210 cm²
Q_TS: 0.30
x_max: 14.0 mm
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Bl/√R_E: 14
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