Eminence KAPPA PRO 18LF-8

Name: KAPPA PRO 18LF-8
Brand: Eminence

Subwoofer

18″ / 457 mm

Nominal diameter

32 Hz

Resonance

0.33

Q factor

97 dB

Sensitivity

± 8 mm

Linear excursion

1600 W

Program Power

Amazon.com
: $$$
Parts Express
: $$$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 96.8; dB
Frequency response: 38 - 700; Hz
Resonance frequency (free air)
f_S: 32.0; Hz
Mechanical quality factor
Q_MS: 10.66
Electrical quality factor
Q_ES: 0.34
Total quality factor
Q_TS: 0.33
Maximum linear excursion
x_max: 8.0; mm
Maximum excursion before damage
x_lim: 18.0; mm
Air volume displaced at x_max
V_D: 927; cm³
Power handling
P: 800; W
Program power
P_max: 1600; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.4; Ω
Inductance (1kHz)
L_E: 1.21; mH
VC Diameter: 76; mm
Winding material: Copper
Former material: Kapton
Force factor
Bl: 19.39; N/A
Motor constant
Bl/√R_E: 8.35; N/√W
Air gap height
H_AG: 9.5; mm
Weight: 3.402; kg
Material: Ferrite
Effective diameter: 384; mm
Effective area
S_D: 1159; cm²
Moving mass
M_MS: 119; g
Moving mass (without air load)
M_MD: 91.2; g
Material: Treated paper
Stiffness
K_MS: 4.76; N/mm
Compliance
C_MS: 210; µm/N
Equivalent volume to the compliance
V_AS: 392; L
Mechanical resistance
R_MS: 2.24; N·s/m
Surround material: Cloth
Nominal diameter: 18; ″
: 457; mm
Overall diameter: 457; mm
Baffle cutout diameter: 421; mm
Overall depth: 207; mm
Volume occupied by the driver: 6.62; L
Net weight: 11.11; kg
Frame material: Die-cast aluminum

Eminence KAPPA PRO 18LF-8 SPL & Impedance

Datasheet

Export this driver to a simulation software:

Eminence KAPPA PRO 18LF-8

Subwoofer

Available on (affiliate links)

Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

Export this driver to a simulation software:

Similar subwoofers to Eminence KAPPA PRO 18LF-8