LaVoce SAF184.05

Subwoofer

18″ / 460 mm
Nominal diameter
39 Hz
Resonance
0.41
Q factor
94 dB
Sensitivity
± 7.7 mm
Linear excursion
2000 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
30 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.41

Large signal parameters

Maximum linear excursion
xmax
7.7
mm
Maximum excursion before damage
xlim
13.2
mm
Air volume displaced at xmax
VD
873
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.66
mH
VC Diameter
100
mm
Winding height
HVC
20.3
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
25.4
N/A
Motor constant
Bl/√RE
10.9
N/√W
Air gap height
HAG
10
mm
Diameter
220
mm
Height
25
mm
Material
Ferrite

Diaphragm

Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
217
g
Moving mass (without air load)
MMD
189.7
g
Material
Water Resistant Treated Paper + Water Proof Both Sides Treatment

Suspensions

Stiffness
KMS
12.82
N/mm
Compliance
CMS
78
µm/N
Equivalent volume to the compliance
VAS
141
L
Mechanical resistance
RMS
9.01
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
18
460
mm
Volume occupied by the driver
7.42
L
Net weight
12.3
kg
Frame material
Aluminium
LaVoce SAF184.05 SPL & Impedance
LaVoce SAF184.05 Dimensions

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