VISATON FR 10 - 4 Ohm

Full-range

4″ / 100 mm
Nominal diameter
90 Hz
Resonance
0.54
Q factor
86 dB
Sensitivity
± 1.5 mm
Linear excursion
50 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.3
dB
Frequency response
80 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
2.29
Electrical quality factor
QES
0.70
Total quality factor
QTS
0.54

Large signal parameters

Maximum linear excursion
xmax
1.5
mm
Maximum excursion before damage
xlim
4.0
mm
Air volume displaced at xmax
VD
7.5
cm³
Power handling
P
30
W
Program power
Pmax
50
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
20
mm
Winding height
HVC
6
mm

Magnet

Flux density
B
0.95
T
Force factor
Bl
4.6
N/A
Motor constant
Bl/√RE
2.57
N/√W
Air gap height
HAG
3
mm

Diaphragm

Effective diameter
80
mm
Effective area
SD
50
cm²
Moving mass
MMS
5.7
g
Moving mass (without air load)
MMD
5.4
g

Suspensions

Stiffness
KMS
1.54
N/mm
Compliance
CMS
649
µm/N
Equivalent volume to the compliance
VAS
2.3
L
Mechanical resistance
RMS
1.41
N·s/m

Dimensions

Nominal diameter
4
100
mm
Baffle cutout diameter
100
mm
Volume occupied by the driver (estimated)
0.14
L
Net weight
0.38
kg
VISATON FR 10 - 4 Ohm SPL & Impedance
VISATON FR 10 - 4 Ohm Directivity
VISATON FR 10 - 4 Ohm Dimensions

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fS
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SD
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85 - 20000 Hz
QTS
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xmax
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86 dB
Bl/√RE
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Pmax
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