VISATON FR 8 JS - 8 Ohm

Full-range

3.3″ / 80 mm
Nominal diameter
130 Hz
Resonance
1.24
Q factor
85 dB
Sensitivity
± 1 mm
Linear excursion
15 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
84.6
dB
Frequency response
80 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
130
Hz
Mechanical quality factor
QMS
4.30
Electrical quality factor
QES
1.74
Total quality factor
QTS
1.24

Large signal parameters

Maximum linear excursion
xmax
1.0
mm
Maximum excursion before damage
xlim
2.0
mm
Air volume displaced at xmax
VD
3.0
cm³
Power handling
P
10
W
Program power
Pmax
15
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
15
mm
Winding height
HVC
5
mm

Magnet

Flux density
B
1.4
T
Force factor
Bl
2.77
N/A
Motor constant
Bl/√RE
1.03
N/√W
Air gap height
HAG
3
mm

Diaphragm

Effective diameter
62
mm
Effective area
SD
30
cm²
Moving mass
MMS
2.3
g
Moving mass (without air load)
MMD
2.2
g
Material
Waterproof

Suspensions

Stiffness
KMS
1.52
N/mm
Compliance
CMS
658
µm/N
Equivalent volume to the compliance
VAS
0.84
L
Mechanical resistance
RMS
0.44
N·s/m

Dimensions

Nominal diameter
3.3
80
mm
Baffle cutout diameter
75
mm
Net weight
0.24
kg
VISATON FR 8 JS - 8 Ohm SPL & Impedance
VISATON FR 8 JS - 8 Ohm Directivity
VISATON FR 8 JS - 8 Ohm Dimensions

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