6.5″ / 152 mm
Nominal diameter
86 Hz
Resonance
0.38
Q factor
90 dB
Sensitivity
± 4.9 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.4
dB
Frequency response
100 - 7300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
86.0
Hz
Mechanical quality factor
QMS
3.38
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.9
mm
Air volume displaced at xmax
VD
65
cm³
Power handling
P
320
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
9.0
Ω
Inductance (1kHz)
LE
0.34
mH
VC Diameter
51
mm
Winding height
HVC
14
mm
Winding material
Aluminum
Magnet
Force factor
Bl
14.1
N/A
Motor constant
Bl/√RE
4.7
N/√W
Air gap height
HAG
8.5
mm
Material
Neodymium
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
17.5
g
Moving mass (without air load)
MMD
16.4
g
Material
Weather protected
Suspensions
Stiffness
KMS
5.1
N/mm
Compliance
CMS
196
µm/N
Equivalent volume to the compliance
VAS
4.8
L
Mechanical resistance
RMS
2.8
N·s/m
Dimensions
Nominal diameter
6.5
″
152
mm
Overall diameter
162
mm
Baffle cutout diameter
148
mm
Overall depth
108
mm
Flange thickness
14
mm
Mounting depth
94
mm
Volume occupied by the driver (estimated)
0.52
L
Net weight
1.2
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Eighteen Sound 6NTLW2000 16Ω
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6.5″Woofer
fS
86 Hz
SD
133 cm²
75 - 8000 Hz
QTS
0.35
xmax
4.9 mm
SPL1W
91 dB
Bl/√RE
5.14
Pmax
600 W
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5″Woofer
fS
80 Hz
SD
95 cm²
80 - 7000 Hz
QTS
0.36
xmax
3.5 mm
SPL1W
90 dB
Bl/√RE
3.92
Pmax
180 W