18″ / 460 mm
Nominal diameter
38 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 9 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
38 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
8.75
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
17.5
mm
Air volume displaced at xmax
VD
1021
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.36
mH
VC Diameter
100
mm
Winding height
HVC
22
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Flux density
B
1.3
T
Force factor
Bl
24.5
N/A
Motor constant
Bl/√RE
10.4
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
163
g
Moving mass (without air load)
MMD
135.7
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
196
L
Mechanical resistance
RMS
4.44
N·s/m
Surround material
Triple Roll
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
6.2
L
Net weight
6.5
kg
Similar subwoofers to FaitalPRO 18HP1040 8Ω
15″Subwoofer
fS
39 Hz
SD
850 cm²
38 - 5000 Hz
QTS
0.32
xmax
6.5 mm
SPL1W
96 dB
Bl/√RE
7.54
Pmax
700 W
15″Subwoofer
fS
39 Hz
SD
850 cm²
50 - 4300 Hz
QTS
0.37
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
7.79
Pmax
1200 W
18″Low frequency
fS
39 Hz
SD
1134 cm²
30 - 2500 Hz
QTS
0.35
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
9.99
Pmax
2000 W