D.A.S. Audio 18LXN
Low frequency
18″ / 457 mm
Nominal diameter
39 Hz
Resonance
0.45
Q factor
95 dB
Sensitivity
± 8 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
25 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.5
Hz
Mechanical quality factor
QMS
7.21
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
931
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
1.82
mH
VC Diameter
102
mm
Winding material
Copper
Magnet
Force factor
Bl
21.63
N/A
Motor constant
Bl/√RE
8.76
N/√W
Material
Neodymium
Diaphragm
Effective diameter
385
mm
Effective area
SD
1164
cm²
Moving mass
MMS
153.9
g
Moving mass (without air load)
MMD
126
g
Suspensions
Stiffness
KMS
9.01
N/mm
Compliance
CMS
111
µm/N
Equivalent volume to the compliance
VAS
214
L
Mechanical resistance
RMS
5.16
N·s/m
Dimensions
Nominal diameter
18
″
457
mm
Volume occupied by the driver (estimated)
6.9
L
Frame material
Injected Aluminum
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18″Low frequency
fS
38 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.44
xmax
6.5 mm
SPL1W
95 dB
Bl/√RE
9.52
Pmax
1200 W
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18″Low frequency
fS
38 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.47
xmax
7.5 mm
SPL1W
95 dB
Bl/√RE
9.77
Pmax
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fS
40 Hz
SD
855 cm²
40 - 18000 Hz
QTS
0.43
xmax
6.5 mm
SPL1W
95 dB
Bl/√RE
6.8
Pmax
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