18″ / 457 mm
Nominal diameter
23 Hz
Resonance
0.81
Q factor
93 dB
Sensitivity
± 12 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
22.9
Hz
Mechanical quality factor
QMS
8.85
Electrical quality factor
QES
0.89
Total quality factor
QTS
0.81
Large signal parameters
Maximum linear excursion
xmax
12.0
mm
Maximum excursion before damage
xlim
25.0
mm
Air volume displaced at xmax
VD
1462
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
13.6
Ω
Inductance (1kHz, in series)
LE
1.6
mH
Magnet
Force factor (in series)
Bl
15.9
N/A
Motor constant
Bl/√RE
4.31
N/√W
Diaphragm
Effective diameter
394
mm
Effective area
SD
1218
cm²
Moving mass
MMS
115
g
Moving mass (without air load)
MMD
85.7
g
Suspensions
Stiffness
KMS
2.38
N/mm
Compliance
CMS
420
µm/N
Equivalent volume to the compliance
VAS
885
L
Mechanical resistance
RMS
1.87
N·s/m
Dimensions
Nominal diameter
18
″
457
mm
Volume occupied by the driver (estimated)
6.9
L
Export this driver to a simulation software:
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SpeakerbenchSimilar subwoofers to Acoustic Elegance Dipole18-D8
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Acoustic Elegance Dipole18-D162 x 16 Ω
18″Subwoofer
fS
23 Hz
SD
1218 cm²
QTS
0.81
xmax
12.0 mm
SPL1W
93 dB
Bl/√RE
4.31
Pmax
300 W
.png.webp)
Acoustic Elegance Dipole15-D162 x 16 Ω
15″Subwoofer
fS
22 Hz
SD
855 cm²
QTS
0.94
xmax
12.0 mm
SPL1W
92 dB
Bl/√RE
3.55
Pmax
200 W
.png.webp)
15″Subwoofer
fS
22 Hz
SD
855 cm²
QTS
0.94
xmax
12.0 mm
SPL1W
92 dB
Bl/√RE
3.48
Pmax
200 W