VISATON FRS 8 M - 8 Ohm
Full-range
3.3″ / 80 mm
Nominal diameter
125 Hz
Resonance
0.49
Q factor
87 dB
Sensitivity
50 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.8
dB
Frequency response
100 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
125
Hz
Mechanical quality factor
QMS
3.24
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.49
Large signal parameters
Maximum excursion before damage
xlim
2.5
mm
Power handling
P
30
W
Program power
Pmax
50
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
20
mm
Winding height
HVC
4.5
mm
Magnet
Flux density
B
1.2
T
Force factor
Bl
4.0
N/A
Motor constant
Bl/√RE
1.49
N/√W
Air gap height
HAG
4
mm
Diaphragm
Effective diameter
61
mm
Effective area
SD
29
cm²
Moving mass
MMS
1.8
g
Moving mass (without air load)
MMD
1.7
g
Suspensions
Stiffness
KMS
1.09
N/mm
Compliance
CMS
922
µm/N
Equivalent volume to the compliance
VAS
1.1
L
Mechanical resistance
RMS
0.44
N·s/m
Dimensions
Nominal diameter
3.3
″
80
mm
Baffle cutout diameter
75
mm
Volume occupied by the driver (estimated)
0.19
L
Net weight
0.5
kg
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Similar speaker drivers to VISATON FRS 8 M - 8 Ohm
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3″Full-range
fS
118 Hz
SD
29 cm²
150 - 20000 Hz
QTS
0.50
xmax
2.4 mm
SPL1W
87 dB
Bl/√RE
1.74
Pmax
60 W
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3.2″Full-range
fS
115 Hz
SD
28 cm²
115 - 28000 Hz
QTS
0.55
xmax
0.4 mm
SPL1W
86 dB
Bl/√RE
1.46
Pmax
15 W
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3″Full-range
fS
110 Hz
SD
33 cm²
100 - 20000 Hz
QTS
0.47
xmax
1.8 mm
SPL1W
87 dB
Bl/√RE
1.81
Pmax
40 W