Wavecor WF120BD03/07

4Ω GF
4Ω P8Ω GF8Ω P

Mid-range

4.75″ / 121 mm
Nominal diameter
70 Hz
Resonance
0.37
Q factor
86 dB
Sensitivity
100 W
Program Power
Wavecor WF120BD03/07 Mid-rangeWavecor WF120BD03/07 Mid-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
85.7
dB
Frequency response
70 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
6.00
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.37

Large signal parameters

Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
26
mm
Winding height
HVC
12
mm

Magnet

Force factor
Bl
4.5
N/A
Motor constant
Bl/√RE
2.52
N/√W
Air gap height
HAG
4
mm
Weight
0.43
kg

Diaphragm

Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
6.6
g
Moving mass (without air load)
MMD
6.2
g

Suspensions

Stiffness
KMS
0.97
N/mm
Compliance
CMS
1030
µm/N
Equivalent volume to the compliance
VAS
4.25
L
Mechanical resistance
RMS
0.42
N·s/m

Dimensions

Nominal diameter
4.75
″
121
mm
Volume occupied by the driver (estimated)
0.41
L
Net weight
1.04
kg
SPL & Impedance
Wavecor WF120BD03/07 SPL & Impedance
Wavecor WF120BD03/07 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimSpeakerbenchSpeakerbench

Similar speaker drivers to Wavecor WF120BD03/07

MONACOR SP-100/8 Mid-range
MONACOR  SP-100/88 Ω
4″Mid-range
fS
61 Hz
SD
52 cm²
61 - 7000 Hz
QTS
0.37
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
2.18
Pmax
60 W
Morel EW 428 Woofer
Morel  EW 4288 Ω
4″Woofer
fS
62 Hz
SD
57 cm²
QTS
0.35
xmax
4.5 mm
SPL1W
86 dB
Bl/√RE
2.43
Pmax
300 W