Eighteen Sound 10W500
Woofer
10″ / 260 mm
Nominal diameter
53 Hz
Resonance
0.29
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
55 - 4500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
4.22
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
193
cm³
Power handling
P
280
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.72
mH
VC Diameter
51
mm
Winding material
Copper
Magnet
Force factor
Bl
14.6
N/A
Motor constant
Bl/√RE
5.96
N/√W
Material
Ferrite
Diaphragm
Effective diameter
211
mm
Effective area
SD
350
cm²
Moving mass
MMS
33
g
Moving mass (without air load)
MMD
28.3
g
Material
Weather protected
Suspensions
Stiffness
KMS
3.66
N/mm
Compliance
CMS
273
µm/N
Equivalent volume to the compliance
VAS
45.2
L
Mechanical resistance
RMS
2.6
N·s/m
Dimensions
Nominal diameter
10
″
260
mm
Overall diameter
260
mm
Baffle cutout diameter
232
mm
Overall depth
121
mm
Flange thickness
14
mm
Mounting depth
107
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
4.7
kg
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fS
51 Hz
SD
346 cm²
45 - 3500 Hz
QTS
0.27
xmax
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SPL1W
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Bl/√RE
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Pmax
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10″Woofer
fS
51 Hz
SD
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60 - 6000 Hz
QTS
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SPL1W
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fS
51 Hz
SD
346 cm²
60 - 6000 Hz
QTS
0.28
xmax
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SPL1W
95 dB
Bl/√RE
6.26
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