18″ / 460 mm
Nominal diameter
35 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 9.5 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
96.2
dB
Frequency response
35 - 1600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
9.74
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
9.5
mm
Maximum excursion before damage
xlim
17.5
mm
Air volume displaced at xmax
VD
1077
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
1.7
mH
VC Diameter
100
mm
Winding height
HVC
23
mm
Former material
Glass Fiber
Magnet
Flux density
B
1.3
T
Force factor
Bl
28.0
N/A
Motor constant
Bl/√RE
12.0
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
182
g
Moving mass (without air load)
MMD
154.7
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
207
L
Mechanical resistance
RMS
4.1
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 18HP1020 8Ω
18″Subwoofer
fS
36 Hz
SD
1134 cm²
40 - 3500 Hz
QTS
0.26
xmax
6.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1200 W
15″Subwoofer
fS
35 Hz
SD
847 cm²
35 - 3150 Hz
QTS
0.26
xmax
9.3 mm
SPL1W
96 dB
Bl/√RE
9.3
Pmax
1000 W
15″Low frequency
fS
35 Hz
SD
860 cm²
40 - 2500 Hz
QTS
0.26
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
8.86
Pmax
1400 W