Eighteen Sound 18W1001

Subwoofer

18″ / 460 mm

Nominal diameter

35 Hz

Resonance

0.23

Q factor

98 dB

Sensitivity

± 7 mm

Linear excursion

1400 W

Program Power

Eighteen Sound 18W1001 Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 97.7; dB
Frequency response: 37 - 4700; Hz
Resonance frequency (free air)
f_S: 35.0; Hz
Mechanical quality factor
Q_MS: 7.10
Electrical quality factor
Q_ES: 0.24
Total quality factor
Q_TS: 0.23
Maximum linear excursion
x_max: 7.0; mm
Air volume displaced at x_max
V_D: 794; cm³
Power handling
P: 1000; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.8; Ω
Inductance (1kHz)
L_E: 2.45; mH
VC Diameter: 100; mm
Winding material: Copper
Force factor
Bl: 27.6; N/A
Motor constant
Bl/√R_E: 11.5; N/√W
Material: Ferrite
Effective diameter: 380; mm
Effective area
S_D: 1134; cm²
Moving mass
M_MS: 139; g
Moving mass (without air load)
M_MD: 111.6; g
Stiffness
K_MS: 6.71; N/mm
Compliance
C_MS: 149; µm/N
Equivalent volume to the compliance
V_AS: 268; L
Mechanical resistance
R_MS: 4.31; N·s/m
Spider material: Double Silicon
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 462; mm
Baffle cutout diameter: 416; mm
Overall depth: 205; mm
Flange thickness: 19; mm
Mounting depth: 186; mm
Volume occupied by the driver (estimated): 7.3; L
Net weight: 13.6; kg

Eighteen Sound 18W1001 SPL

Eighteen Sound 18W1001 Dimensions

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