6.5″ / 152 mm
Nominal diameter
64 Hz
Resonance
0.24
Q factor
92 dB
Sensitivity
± 5 mm
Linear excursion
260 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.0
dB
Frequency response
63 - 5500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
64.0
Hz
Mechanical quality factor
QMS
6.50
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24
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
4
Ω
DC resistance
RE
2.9
Ω
Inductance (1kHz)
LE
0.17
mH
VC Diameter
44
mm
Magnet
Force factor
Bl
7.8
N/A
Motor constant
Bl/√RE
4.58
N/√W
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
13.9
g
Moving mass (without air load)
MMD
12.8
g
Suspensions
Stiffness
KMS
2.25
N/mm
Compliance
CMS
445
µm/N
Equivalent volume to the compliance
VAS
12.2
L
Mechanical resistance
RMS
0.86
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:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Eighteen Sound 6ND430
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6.5″Coaxial
fS
65 Hz
SD
135 cm²
65 - 20000 Hz
QTS
0.27
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.7
Pmax
400 W
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6″Woofer
fS
65 Hz
SD
133 cm²
60 - 6000 Hz
QTS
0.27
xmax
5.6 mm
SPL1W
91 dB
Bl/√RE
4.78
Pmax
400 W