6.5″ / 165 mm
Nominal diameter
42 Hz
Resonance
0.51
Q factor
81 dB
Sensitivity
± 8.89 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
80.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
41.8
Hz
Mechanical quality factor
QMS
11.03
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
8.89
mm
Air volume displaced at xmax
VD
100
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz, estimated)
LE
0.52
mH
Magnet
Force factor
Bl
9.3
N/A
Motor constant
Bl/√RE
4.99
N/√W
Diameter
108
mm
Diaphragm
Effective diameter
119
mm
Effective area
SD
112
cm²
Moving mass
MMS
50.3
g
Moving mass (without air load)
MMD
49.3
g
Suspensions
Stiffness
KMS
3.47
N/mm
Compliance
CMS
288
µm/N
Equivalent volume to the compliance
VAS
5.13
L
Mechanical resistance
RMS
1.2
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
174
mm
Baffle cutout diameter
140
mm
Mounting depth
108
mm
Volume occupied by the driver
0.57
L
Net weight
2.8
kg
Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
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6.5″Subwoofer
fS
40 Hz
SD
110 cm²
40 - 700 Hz
QTS
0.51
xmax
5.0 mm
SPL1W
81 dB
Bl/√RE
4.15
Pmax
200 W
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fS
45 Hz
SD
195 cm²
55 - 500 Hz
QTS
0.54
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
45 Hz
SD
94 cm²
45 - 15000 Hz
QTS
0.49
xmax
9.3 mm
SPL1W
82 dB
Bl/√RE
3.89
Pmax
80 W