Eminence KILOMAX PRO 18A
Subwoofer
18″ / 457 mm
Nominal diameter
32 Hz
Resonance
0.47
Q factor
94 dB
Sensitivity
± 10 mm
Linear excursion
2500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.4
dB
Frequency response
33 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
10.15
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
19.2
mm
Air volume displaced at xmax
VD
1159
cm³
Power handling
P
1250
W
Program power
Pmax
2500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.59
mH
VC Diameter
102
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
17.2
N/A
Motor constant
Bl/√RE
7.64
N/√W
Air gap height
HAG
9.5
mm
Weight
3.09
kg
Material
Ferrite
Diaphragm
Effective diameter
384
mm
Effective area
SD
1159
cm²
Moving mass
MMS
143
g
Moving mass (without air load)
MMD
115.2
g
Material
Treated Paper-Kevlar
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
332
L
Mechanical resistance
RMS
2.83
N·s/m
Surround material
Cloth
Dimensions
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
12.43
kg
Frame material
Die-cast aluminum
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