VISATON FR 9.15 - 4 Ohm

Full-range

4x6″/ 90x150 mm
Nominal size
120 Hz
Resonance
1.82
Q factor
91 dB
Sensitivity
± 1 mm
Linear excursion
30 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
91.4
dB
Frequency response
75 - 16000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
8.90
Electrical quality factor
QES
2.29
Total quality factor
QTS
1.82

Large signal parameters

Maximum linear excursion
xmax
1.0
mm
Maximum excursion before damage
xlim
1.5
mm
Air volume displaced at xmax
VD
7.9
cm³
Power handling
P
15
W
Program power
Pmax
30
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
20
mm
Winding height
HVC
5
mm

Magnet

Flux density
B
0.9
T
Force factor
Bl
2.3
N/A
Motor constant
Bl/√RE
1.23
N/√W
Air gap height
HAG
3
mm

Diaphragm

Effective diameter
100
mm
Effective area
SD
79
cm²
Moving mass
MMS
4.6
g
Moving mass (without air load)
MMD
4.3
g

Suspensions

Stiffness
KMS
3.05
N/mm
Compliance
CMS
328
µm/N
Equivalent volume to the compliance
VAS
2.9
L
Mechanical resistance
RMS
0.39
N·s/m

Dimensions

Nominal size
4 x 6
90 x 150
mm
Mounting baffle cutout
87 x 146
mm
Volume occupied by the driver (estimated)
0.1
L
Net weight
0.277
kg
VISATON FR 9.15 - 4 Ohm SPL & Impedance
VISATON FR 9.15 - 4 Ohm Directivity 1
VISATON FR 9.15 - 4 Ohm Directivity 2
VISATON FR 9.15 - 4 Ohm Dimensions

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fS
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SD
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QTS
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xmax
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