18″ / 46 mm
Nominal diameter
32 Hz
Resonance
0.36
Q factor
95 dB
Sensitivity
± 5.5 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
28 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
6.10
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
678
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
100
mm
Winding height
HVC
21
mm
Magnet
Force factor
Bl
18.5
N/A
Motor constant
Bl/√RE
9.89
N/√W
Diaphragm
Effective diameter
396
mm
Effective area
SD
1232
cm²
Moving mass
MMS
188
g
Moving mass (without air load)
MMD
158.3
g
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
280
L
Mechanical resistance
RMS
6.2
N·s/m
Dimensions
Nominal diameter
18
″
46
mm
Overall diameter
459
mm
Baffle cutout diameter
420
mm
Overall depth
209
mm
Flange thickness
16
mm
Mounting depth
193
mm
Volume occupied by the driver (estimated)
6.7
L
Similar subwoofers to mivoc AWX184 MKII
18″Subwoofer
fS
33 Hz
SD
1210 cm²
35 - 500 Hz
QTS
0.39
xmax
12.0 mm
SPL1W
95 dB
Bl/√RE
9.82
Pmax
2400 W
21″Subwoofer
fS
31 Hz
SD
1662 cm²
30 - 1800 Hz
QTS
0.36
xmax
17.5 mm
SPL1W
95 dB
Bl/√RE
14
Pmax
4000 W
15″Subwoofer
fS
33 Hz
SD
855 cm²
35 - 2000 Hz
QTS
0.38
xmax
8.0 mm
SPL1W
94 dB
Bl/√RE
7.5
Pmax
800 W