VISATON FR 6,5" - 8 Ohm
Full-range
6.5″ / 160 mm
Nominal diameter
75 Hz
Resonance
1.96
Q factor
92 dB
Sensitivity
± 0.1 mm
Linear excursion
60 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.6
dB
Frequency response
70 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
75.0
Hz
Mechanical quality factor
QMS
4.94
Electrical quality factor
QES
3.26
Total quality factor
QTS
1.96
Large signal parameters
Maximum linear excursion
xmax
0.1
mm
Maximum excursion before damage
xlim
3.0
mm
Air volume displaced at xmax
VD
1.3
cm³
Power handling
P
40
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
20
mm
Winding height
HVC
4
mm
Magnet
Flux density
B
0.75
T
Force factor
Bl
2.5
N/A
Motor constant
Bl/√RE
0.959
N/√W
Air gap height
HAG
4
mm
Diaphragm
Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
5.9
g
Moving mass (without air load)
MMD
4.8
g
Suspensions
Stiffness
KMS
1.48
N/mm
Compliance
CMS
678
µm/N
Equivalent volume to the compliance
VAS
16
L
Mechanical resistance
RMS
0.56
N·s/m
Dimensions
Nominal diameter
6.5
″
160
mm
Baffle cutout diameter
143
mm
Volume occupied by the driver (estimated)
0.18
L
Net weight
0.47
kg
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Ciare CH170Z4 Ω
6.5″Full-range
fS
93 Hz
SD
133 cm²
80 - 2500 Hz
QTS
1.62
xmax
1.3 mm
SPL1W
90 dB
Bl/√RE
1.46
Pmax
150 W