LaVoce SAN184.51
Subwoofer
18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.22
Q factor
95 dB
Sensitivity
± 19.5 mm
Linear excursion
3400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
30 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
7.23
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
19.5
mm
Maximum excursion before damage
xlim
26.5
mm
Air volume displaced at xmax
VD
2330
cm³
Power handling
P
1700
W
Program power
Pmax
3400
W
Voice Coil
Nominal impedance
Z
2
Ω
DC resistance
RE
1.3
Ω
Inductance (1kHz)
LE
0.41
mH
VC Diameter
115
mm
Winding height
HVC
45
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
18.5
N/A
Motor constant
Bl/√RE
16.2
N/√W
Air gap height
HAG
12
mm
Diameter
113
mm
Height
30
mm
Material
Neodymium
Diaphragm
Effective diameter
390
mm
Effective area
SD
1195
cm²
Moving mass
MMS
302.4
g
Moving mass (without air load)
MMD
273.5
g
Material
Water Resistant Treated Paper + Water Proof Front Side Treatment
Suspensions
Stiffness
KMS
11.91
N/mm
Compliance
CMS
84
µm/N
Equivalent volume to the compliance
VAS
169
L
Mechanical resistance
RMS
8.41
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
18
″
460
mm
Volume occupied by the driver
7.95
L
Net weight
14.4
kg
Frame material
Aluminium
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