6.5″ / 152 mm
Nominal diameter
61 Hz
Resonance
0.27
Q factor
92 dB
Sensitivity
± 5 mm
Linear excursion
260 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.8
dB
Frequency response
63 - 5500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
6.50
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
67
cm³
Power handling
P
200
W
Program power
Pmax
260
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.28
mH
VC Diameter
44
mm
Winding material
Aluminum
Magnet
Force factor
Bl
10.0
N/A
Motor constant
Bl/√RE
4.26
N/√W
Material
Neodymium
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
13.3
g
Moving mass (without air load)
MMD
12.2
g
Material
Weather protected
Suspensions
Stiffness
KMS
1.95
N/mm
Compliance
CMS
512
µm/N
Equivalent volume to the compliance
VAS
12.6
L
Mechanical resistance
RMS
0.78
N·s/m
Dimensions
Nominal diameter
6.5
″
152
mm
Overall diameter
162
mm
Baffle cutout diameter
148
mm
Overall depth
73
mm
Flange thickness
9
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.41
L
Net weight
1.25
kg
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Export this driver to a simulation software:
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SpeakerSim
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SpeakerbenchSimilar woofers to Eighteen Sound 6ND430 8Ω
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6.5″Woofer
fS
60 Hz
SD
147 cm²
60 - 5500 Hz
QTS
0.27
xmax
5.2 mm
SPL1W
92 dB
Bl/√RE
4.52
Pmax
400 W
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6.5″Woofer
fS
64 Hz
SD
133 cm²
63 - 5500 Hz
QTS
0.24
xmax
5.0 mm
SPL1W
92 dB
Bl/√RE
4.58
Pmax
260 W
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5″Coaxial
fS
69 Hz
SD
95 cm²
69 - 20000 Hz
QTS
0.31
xmax
5.7 mm
SPL1W
92 dB
Bl/√RE
3.18
Pmax
300 W