LaVoce SAF184.03

Subwoofer

18″ / 460 mm
Nominal diameter
30 Hz
Resonance
0.33
Q factor
94 dB
Sensitivity
± 13 mm
Linear excursion
3000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
30 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
6.68
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33

Large signal parameters

Maximum linear excursion
xmax
13.0
mm
Maximum excursion before damage
xlim
22.3
mm
Air volume displaced at xmax
VD
1593
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
2.16
mH
VC Diameter
100
mm
Winding height
HVC
33.5
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
28.1
N/A
Motor constant
Bl/√RE
11.7
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
250.2
g
Moving mass (without air load)
MMD
220.6
g
Material
Water Resistant Treated Paper + Water Proof Front Side Treatment

Suspensions

Stiffness
KMS
8.62
N/mm
Compliance
CMS
116
µm/N
Equivalent volume to the compliance
VAS
246
L
Mechanical resistance
RMS
7.06
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
18
460
mm
Volume occupied by the driver
8.5
L
Net weight
16.4
kg
Frame material
Aluminium
LaVoce SAF184.03 SPL & Impedance
LaVoce SAF184.03 Dimensions

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