12″ / 300 mm
Nominal diameter
53 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 8.3 mm
Linear excursion
1800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
8.3
mm
Air volume displaced at xmax
VD
441
cm³
Power handling
P
900
W
Program power
Pmax
1800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
88
mm
Magnet
Force factor
Bl
19.5
N/A
Motor constant
Bl/√RE
8.63
N/√W
Material
Neodymium
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
80
g
Moving mass (without air load)
MMD
71.4
g
Suspensions
Stiffness
KMS
8.85
N/mm
Compliance
CMS
113
µm/N
Equivalent volume to the compliance
VAS
45
L
Mechanical resistance
RMS
3.33
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
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Eighteen Sound 12NTLW3500 8Ω
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10″Bass Guitar Speaker
fS
55 Hz
SD
330 cm²
QTS
0.33
xmax
2.4 mm
SPL1W
94 dB
Bl/√RE
5.46
Pmax
300 W
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10″Woofer
fS
57 Hz
SD
346 cm²
55 - 3500 Hz
QTS
0.36
xmax
4.5 mm
SPL1W
94 dB
Bl/√RE
5.46
Pmax
600 W
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10″Woofer
fS
57 Hz
SD
346 cm²
55 - 3500 Hz
QTS
0.37
xmax
4.0 mm
SPL1W
94 dB
Bl/√RE
5.46
Pmax
600 W