6.5″ / 152 mm
Nominal diameter
100 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 3 mm
Linear excursion
260 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.2
dB
Frequency response
200 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
3.10
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
39
cm³
Power handling
P
200
W
Program power
Pmax
260
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
10.1
Ω
Inductance (1kHz)
LE
0.19
mH
VC Diameter
44
mm
Magnet
Force factor
Bl
12.4
N/A
Motor constant
Bl/√RE
3.9
N/√W
Diaphragm
Effective diameter
129
mm
Effective area
SD
130
cm²
Moving mass
MMS
9
g
Moving mass (without air load)
MMD
7.9
g
Suspensions
Stiffness
KMS
3.56
N/mm
Compliance
CMS
281
µm/N
Equivalent volume to the compliance
VAS
6.65
L
Mechanical resistance
RMS
1.82
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
11
mm
Mounting depth
62
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 speaker drivers to Eighteen Sound 6NMB900 16Ω
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6.5″Mid Bass
fS
110 Hz
SD
130 cm²
200 - 7000 Hz
QTS
0.33
xmax
3.0 mm
SPL1W
96 dB
Bl/√RE
3.91
Pmax
260 W
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8″Woofer
fS
94 Hz
SD
201 cm²
75 - 5800 Hz
QTS
0.32
xmax
3.9 mm
SPL1W
95 dB
Bl/√RE
5.88
Pmax
400 W
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6″Mid-range
fS
110 Hz
SD
137 cm²
125 - 10000 Hz
QTS
0.39
xmax
2.8 mm
SPL1W
94 dB
Bl/√RE
4.29
Pmax
240 W