4.5″ / 114 mm
Nominal diameter
65 Hz
Resonance
0.44
Q factor
86 dB
Sensitivity
± 3 mm
Linear excursion
100 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Frequency response
65 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
8.60
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
17
cm³
Power handling
P
50
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.28
mH
VC Diameter
32
mm
Winding height
HVC
11
mm
Magnet
Force factor
Bl
5.8
N/A
Motor constant
Bl/√RE
2.31
N/√W
Air gap height
HAG
5
mm
Weight
0.325
kg
Diaphragm
Effective diameter
84
mm
Effective area
SD
55
cm²
Moving mass
MMS
6
g
Moving mass (without air load)
MMD
5.7
g
Suspensions
Stiffness
KMS
1.0
N/mm
Compliance
CMS
1000
µm/N
Equivalent volume to the compliance
VAS
4.3
L
Mechanical resistance
RMS
0.28
N·s/m
Dimensions
Nominal diameter
4.5
″
114
mm
Volume occupied by the driver (estimated)
0.37
L
Net weight
0.95
kg
Similar speaker drivers to Wavecor WF118WA02
4.75″Mid-range
fS
72 Hz
SD
54 cm²
71 - 4000 Hz
QTS
0.45
SPL1W
85 dB
Bl/√RE
2.25
Pmax
100 W
5″Mid Bass
fS
63 Hz
SD
85 cm²
65 - 12000 Hz
QTS
0.46
xmax
5.5 mm
SPL1W
86 dB
Bl/√RE
2.78
Pmax
100 W
4″Mid-range
fS
68 Hz
SD
57 cm²
QTS
0.41
xmax
3.0 mm
SPL1W
85 dB
Bl/√RE
2.32
Pmax
300 W