VISATON FRS 5 - 8 Ohm
Full-range
2″ / 50 mm
Nominal diameter
290 Hz
Resonance
1.15
Q factor
85 dB
Sensitivity
± 0.6 mm
Linear excursion
8 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.8
dB
Frequency response
150 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
290
Hz
Mechanical quality factor
QMS
3.19
Electrical quality factor
QES
1.81
Total quality factor
QTS
1.15
Large signal parameters
Maximum linear excursion
xmax
0.6
mm
Maximum excursion before damage
xlim
2.0
mm
Air volume displaced at xmax
VD
0.7
cm³
Power handling
P
5
W
Program power
Pmax
8
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
14
mm
Winding height
HVC
3.7
mm
Magnet
Flux density
B
0.95
T
Force factor
Bl
1.6
N/A
Motor constant
Bl/√RE
0.596
N/√W
Air gap height
HAG
2.5
mm
Diaphragm
Effective diameter
39
mm
Effective area
SD
12
cm²
Moving mass
MMS
0.5
g
Moving mass (without air load)
MMD
0.5
g
Suspensions
Stiffness
KMS
1.28
N/mm
Compliance
CMS
783
µm/N
Equivalent volume to the compliance
VAS
0.16
L
Mechanical resistance
RMS
0.29
N·s/m
Dimensions
Nominal diameter
2
″
50
mm
Baffle cutout diameter
46
mm
Net weight
0.126
kg
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SpeakerbenchSimilar speaker drivers to VISATON FRS 5 - 8 Ohm
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2″Full-range
fS
250 Hz
SD
12 cm²
150 - 20000 Hz
QTS
1.24
xmax
0.4 mm
SPL1W
84 dB
Bl/√RE
0.58
Pmax
10 W
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1.5″
fS
239 Hz
SD
7.8 cm²
239 - 20000 Hz
QTS
1.23
xmax
0.5 mm
SPL1W
82 dB
Bl/√RE
0.797
Pmax
15 W
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1.5″Full-range
fS
230 Hz
SD
7.8 cm²
200 - 20000 Hz
QTS
1.00
xmax
1.2 mm
SPL1W
82 dB
Bl/√RE
0.71
Pmax
10 W