6.5″ / 160 mm
Nominal diameter
39 Hz
Resonance
0.35
Q factor
85 dB
Sensitivity
± 7 mm
Linear excursion
250 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Frequency response
45 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
2.16
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
80
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.41
mH
VC Diameter
38
mm
Winding height
HVC
20
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
7.3
N/A
Motor constant
Bl/√RE
2.93
N/√W
Air gap height
HAG
6
mm
Weight
0.64
kg
Diaphragm
Effective diameter
109
mm
Effective area
SD
94
cm²
Moving mass
MMS
13.9
g
Moving mass (without air load)
MMD
13.2
g
Suspensions
Stiffness
KMS
0.83
N/mm
Compliance
CMS
1200
µm/N
Equivalent volume to the compliance
VAS
14
L
Mechanical resistance
RMS
1.64
N·s/m
Dimensions
Nominal diameter
6.5
″
160
mm
Volume occupied by the driver (estimated)
0.89
L
Net weight
2.15
kg
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Export this driver to a simulation software:
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SpeakerSim
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fS
38 Hz
SD
75 cm²
50 - 3000 Hz
QTS
0.36
xmax
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SPL1W
85 dB
Bl/√RE
2.35
Pmax
200 W
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fS
37 Hz
SD
94 cm²
45 - 2500 Hz
QTS
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xmax
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SPL1W
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fS
38 Hz
SD
129 cm²
38 - 7500 Hz
QTS
0.29
xmax
5.3 mm
SPL1W
86 dB
Bl/√RE
4.05
Pmax
140 W