FaitalPRO 18FH500 4Ω

Subwoofer

18″ / 460 mm
Nominal diameter
28 Hz
Resonance
0.29
Q factor
96 dB
Sensitivity
± 9.45 mm
Linear excursion
1200 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
96.1
dB
Frequency response
30 - 3150
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
7.20
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29

Large signal parameters

Maximum linear excursion
xmax
9.45
mm
Maximum excursion before damage
xlim
17.5
mm
Air volume displaced at xmax
VD
1141
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
1.07
mH
VC Diameter
77
mm
Winding height
HVC
22.4
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Flux density
B
1.2
T
Force factor
Bl
16.7
N/A
Motor constant
Bl/√RE
9.19
N/√W
Air gap height
HAG
10.5
mm
Material
Neodymium Slug

Diaphragm

Effective diameter
392
mm
Effective area
SD
1207
cm²
Moving mass
MMS
143.9
g
Moving mass (without air load)
MMD
114.7
g

Suspensions

Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
457
L
Mechanical resistance
RMS
3.5
N·s/m

Dimensions

Nominal diameter
18
460
mm
Overall diameter
460
mm
Baffle cutout diameter
424
mm
Overall depth
202
mm
Flange thickness
14
mm
Mounting depth
188
mm
Volume occupied by the driver
5.7
L
Net weight
4.6
kg
Frame material
Aluminium
FaitalPRO 18FH500 4Ω Impedance
FaitalPRO 18FH500 4Ω SPL
FaitalPRO 18FH500 4Ω Dimensions

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