LaVoce SAF184.04
Subwoofer
18″ / 460 mm
Nominal diameter
37 Hz
Resonance
0.48
Q factor
93 dB
Sensitivity
± 12.1 mm
Linear excursion
3000 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
9.01
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
12.1
mm
Maximum excursion before damage
xlim
21.4
mm
Air volume displaced at xmax
VD
1483
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
2.05
mH
VC Diameter
100
mm
Winding height
HVC
31.7
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
26.34
N/A
Motor constant
Bl/√RE
11.2
N/√W
Air gap height
HAG
15
mm
Diameter
220
mm
Height
30
mm
Material
Ferrite
Diaphragm
Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
270.5
g
Moving mass (without air load)
MMD
240.8
g
Material
Water Resistant Treated Paper + Water Proof Both Sides Treatment
Suspensions
Stiffness
KMS
14.71
N/mm
Compliance
CMS
68
µm/N
Equivalent volume to the compliance
VAS
144
L
Mechanical resistance
RMS
6.98
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
18
″
460
mm
Volume occupied by the driver
8.5
L
Net weight
16.0
kg
Frame material
Aluminium
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