18″ / 457 mm
Nominal diameter
29 Hz
Resonance
0.22
Q factor
99 dB
Sensitivity
± 14 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
99.0
dB
Frequency response
20 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Maximum excursion before damage
xlim
25.0
mm
Air volume displaced at xmax
VD
1705
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.41
mH
Magnet
Force factor
Bl
27.06
N/A
Motor constant
Bl/√RE
11.4
N/√W
Diaphragm
Effective diameter
394
mm
Effective area
SD
1218
cm²
Moving mass
MMS
165
g
Moving mass (without air load)
MMD
135.7
g
Suspensions
Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
390
L
Mechanical resistance
RMS
5.03
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:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Acoustic Elegance TD18H+8
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18″Subwoofer
fS
29 Hz
SD
1218 cm²
20 - 1000 Hz
QTS
0.22
xmax
14.0 mm
SPL1W
98 dB
Bl/√RE
11
Pmax
2000 W
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18″Subwoofer
fS
30 Hz
SD
1164 cm²
40 - 1000 Hz
QTS
0.23
xmax
8.0 mm
SPL1W
98 dB
Bl/√RE
12
Pmax
1400 W
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18″Woofer
fS
30 Hz
SD
1158 cm²
30 - 1000 Hz
QTS
0.24
xmax
13.0 mm
SPL1W
98 dB
Bl/√RE
11
Pmax
1400 W