6.5″ / 152 mm
Nominal diameter
149 Hz
Resonance
0.48
Q factor
97 dB
Sensitivity
± 2 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.7
dB
Frequency response
200 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
149
Hz
Mechanical quality factor
QMS
4.14
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
29
cm³
Power handling
P
180
W
Program power
Pmax
240
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
10.6
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
44
mm
Winding material
Aluminum
Magnet
Force factor
Bl
13.0
N/A
Motor constant
Bl/√RE
3.99
N/√W
Material
Neodymium
Diaphragm
Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
8.8
g
Moving mass (without air load)
MMD
7.6
g
Material
Weather protected
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
6.2
L
Mechanical resistance
RMS
1.99
N·s/m
Dimensions
Nominal diameter
6.5
″
152
mm
Overall diameter
162
mm
Baffle cutout diameter
148
mm
Overall depth
60
mm
Flange thickness
9
mm
Mounting depth
51
mm
Volume occupied by the driver (estimated)
0.36
L
Net weight
1.25
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Eighteen Sound 6ND410 16Ω
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6.5″Mid-range
fS
173 Hz
SD
143 cm²
150 - 6000 Hz
QTS
0.53
xmax
3.5 mm
SPL1W
95 dB
Bl/√RE
4.24
Pmax
240 W
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6.5″Mid-range
fS
124 Hz
SD
139 cm²
200 - 5000 Hz
QTS
0.38
xmax
2.3 mm
SPL1W
95 dB
Bl/√RE
4.63
Pmax
300 W
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6.5″Low frequency
fS
133 Hz
SD
154 cm²
150 - 7000 Hz
QTS
0.44
xmax
4.0 mm
SPL1W
94 dB
Bl/√RE
4.39
Pmax
300 W