Eighteen Sound 10NW750
Low frequency
10″ / 260 mm
Nominal diameter
53 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 7.5 mm
Linear excursion
900 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.3
dB
Frequency response
50 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
5.74
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Maximum excursion before damage
xlim
17.5
mm
Air volume displaced at xmax
VD
255
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
75
mm
Winding material
Aluminum
Magnet
Force factor
Bl
16.4
N/A
Motor constant
Bl/√RE
6.81
N/√W
Material
Neodymium
Diaphragm
Effective diameter
208
mm
Effective area
SD
340
cm²
Moving mass
MMS
45
g
Moving mass (without air load)
MMD
40.4
g
Material
Curvilinear, Treated paper
Suspensions
Stiffness
KMS
4.83
N/mm
Compliance
CMS
207
µm/N
Equivalent volume to the compliance
VAS
34
L
Mechanical resistance
RMS
2.61
N·s/m
Surround material
Triple roll, Polycotton
Dimensions
Nominal diameter
10
″
260
mm
Overall diameter
260
mm
Baffle cutout diameter
232
mm
Overall depth
130
mm
Flange thickness
11
mm
Mounting depth
119
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
4.0
kg
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fS
56 Hz
SD
343 cm²
50 - 3000 Hz
QTS
0.31
xmax
4.8 mm
SPL1W
93 dB
Bl/√RE
6.83
Pmax
500 W
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10″Woofer
fS
51 Hz
SD
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50 - 3000 Hz
QTS
0.26
xmax
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SPL1W
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Bl/√RE
7.04
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10″Low frequency
fS
55 Hz
SD
344 cm²
60 - 5000 Hz
QTS
0.27
xmax
2.5 mm
SPL1W
95 dB
Bl/√RE
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Pmax
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