12″ / 300 mm
Nominal diameter
57 Hz
Resonance
0.54
Q factor
94 dB
Sensitivity
± 7.9 mm
Linear excursion
1800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.5
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
57.0
Hz
Mechanical quality factor
QMS
11.70
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
7.9
mm
Air volume displaced at xmax
VD
420
cm³
Power handling
P
900
W
Program power
Pmax
1800
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.3
Ω
Inductance (1kHz)
LE
0.62
mH
VC Diameter
88
mm
Magnet
Force factor
Bl
23.5
N/A
Motor constant
Bl/√RE
6.99
N/√W
Material
Neodymium
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
77
g
Moving mass (without air load)
MMD
68.4
g
Suspensions
Stiffness
KMS
9.8
N/mm
Compliance
CMS
102
µm/N
Equivalent volume to the compliance
VAS
40
L
Mechanical resistance
RMS
2.36
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
310
mm
Baffle cutout diameter
282
mm
Overall depth
193
mm
Flange thickness
13
mm
Mounting depth
180
mm
Volume occupied by the driver (estimated)
2.7
L
Net weight
4.7
kg
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar subwoofers to Eighteen Sound 12NTLW3500 16Ω
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10″Low frequency
fS
60 Hz
SD
363 cm²
60 - 3000 Hz
QTS
0.55
xmax
4.1 mm
SPL1W
93 dB
Bl/√RE
4.9
Pmax
400 W
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10″Bass Guitar Speaker
fS
53 Hz
SD
350 cm²
50 - 3000 Hz
QTS
0.45
xmax
3.0 mm
SPL1W
93 dB
Bl/√RE
4.58
Pmax
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10″Bass Guitar Speaker
fS
53 Hz
SD
350 cm²
60 - 4000 Hz
QTS
0.42
xmax
4.2 mm
SPL1W
94 dB
Bl/√RE
4.71
Pmax
500 W