Wavecor SW118WA01

4Ω
8Ω
4.5″ / 114 mm
Nominal diameter
58 Hz
Resonance
0.39
Q factor
84 dB
Sensitivity
± 4 mm
Linear excursion
80 W
Program Power
Wavecor SW118WA01
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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
58 - 1200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
8.40
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
20
cm³
Power handling
P
40
W
Program power
Pmax
80
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.48
mH
VC Diameter
26
mm
Winding height
HVC
12
mm

Magnet

Force factor
Bl
4.7
N/A
Motor constant
Bl/√RE
2.63
N/√W
Air gap height
HAG
4
mm

Diaphragm

Effective diameter
79
mm
Effective area
SD
49
cm²
Moving mass
MMS
7.9
g
Moving mass (without air load)
MMD
7.6
g

Suspensions

Stiffness
KMS
1.03
N/mm
Compliance
CMS
970
µm/N
Equivalent volume to the compliance
VAS
3.3
L
Mechanical resistance
RMS
0.34
N·s/m

Dimensions

Nominal diameter
4.5
″
114
mm
Volume occupied by the driver (estimated)
0.31
L
Net weight
0.8
kg
Impedance
SPL
Wavecor SW118WA01 Impedance
Wavecor SW118WA01 SPL
Wavecor SW118WA01 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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fS
57 Hz
SD
48 cm²
56 - 4000 Hz
QTS
0.38
xmax
3.0 mm
SPL1W
84 dB
Bl/√RE
2.42