18″ / 460 mm
Nominal diameter
38 Hz
Resonance
0.41
Q factor
95 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
95.4
dB
Frequency response
38 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
17.5
mm
Air volume displaced at xmax
VD
1091
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
1.26
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
393
mm
Effective area
SD
1212
cm²
Moving mass
MMS
187.5
g
Moving mass (without air load)
MMD
158.2
g
Suspensions
Stiffness
KMS
12.5
N/mm
Compliance
CMS
80
µm/N
Equivalent volume to the compliance
VAS
192
L
Mechanical resistance
RMS
4.58
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
202
mm
Flange thickness
14
mm
Mounting depth
188
mm
Volume occupied by the driver
5.8
L
Net weight
6.7
kg
Similar subwoofers to FaitalPRO 18HP1042 8Ω
18″Low frequency
fS
40 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.41
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2000 W
18″Low frequency
fS
41 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.48
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W
15″Subwoofer
fS
44 Hz
SD
881 cm²
40 - 1500 Hz
QTS
0.46
xmax
9.6 mm
SPL1W
96 dB
Bl/√RE
7.25
Pmax
900 W