4″ / 100 mm
Nominal diameter
120 Hz
Resonance
1.27
Q factor
83 dB
Sensitivity
± 0.5 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.2
dB
Frequency response
80 - 16000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
3.13
Electrical quality factor
QES
2.14
Total quality factor
QTS
1.27
Large signal parameters
Maximum linear excursion
xmax
0.5
mm
Maximum excursion before damage
xlim
2.0
mm
Air volume displaced at xmax
VD
2.5
cm³
Power handling
P
20
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.8
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
20
mm
Winding height
HVC
5
mm
Magnet
Flux density
B
0.85
T
Force factor
Bl
2.75
N/A
Motor constant
Bl/√RE
1.41
N/√W
Air gap height
HAG
4
mm
Diaphragm
Effective diameter
80
mm
Effective area
SD
50
cm²
Moving mass
MMS
5
g
Moving mass (without air load)
MMD
4.7
g
Suspensions
Stiffness
KMS
1.69
N/mm
Compliance
CMS
592
µm/N
Equivalent volume to the compliance
VAS
2.1
L
Mechanical resistance
RMS
1.2
N·s/m
Dimensions
Nominal diameter
4
″
100
mm
Baffle cutout diameter
101
mm
Volume occupied by the driver (estimated)
0.1
L
Net weight
0.275
kg
Similar speaker drivers to VISATON FR 10 WP - 4 Ohm
3″Full-range
fS
100 Hz
SD
30 cm²
200 - 18000 Hz
QTS
0.99
xmax
1.4 mm
SPL1W
83 dB
Bl/√RE
1.15
Pmax
20 W
4″Full-range
fS
100 Hz
SD
52 cm²
90 - 20000 Hz
QTS
1.16
xmax
1.8 mm
SPL1W
85 dB
Bl/√RE
1.23
Pmax
60 W
3″Full-range
fS
110 Hz
SD
27 cm²
100 - 20000 Hz
QTS
1.00
xmax
3.4 mm
SPL1W
83 dB
Bl/√RE
1.19
Pmax
50 W