4″ / 100 mm
Nominal diameter
120 Hz
Resonance
1.13
Q factor
89 dB
Sensitivity
± 1.5 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
88.5
dB
Frequency response
95 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
5.35
Electrical quality factor
QES
1.44
Total quality factor
QTS
1.13
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Maximum excursion before damage
xlim
2.0
mm
Air volume displaced at xmax
VD
7.5
cm³
Power handling
P
20
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
14
mm
Winding height
HVC
5
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
2.1
N/A
Motor constant
Bl/√RE
1.17
N/√W
Air gap height
HAG
2
mm
Diaphragm
Effective diameter
80
mm
Effective area
SD
50
cm²
Moving mass
MMS
2.7
g
Moving mass (without air load)
MMD
2.4
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
0.38
N·s/m
Dimensions
Nominal diameter
4
″
100
mm
Baffle cutout diameter
94
mm
Volume occupied by the driver (estimated)
0.13
L
Net weight
0.34
kg
Similar speaker drivers to VISATON FR 10 HM - 4 Ohm
3.4″Full-range
fS
137 Hz
SD
37 cm²
100 - 20000 Hz
QTS
1.25
xmax
0.6 mm
SPL1W
88 dB
Bl/√RE
1.12
Pmax
20 W
5.25″Mid-range
fS
120 Hz
SD
70 cm²
120 - 8000 Hz
QTS
0.88
xmax
0.7 mm
SPL1W
89 dB
Bl/√RE
1.7
Pmax
80 W
4″Coaxial
fS
110 Hz
SD
56 cm²
110 - 18000 Hz
QTS
0.97
xmax
4.1 mm
SPL1W
86 dB
Bl/√RE
1.95
Pmax
200 W