Wavecor FR040WA02
4Ω
8Ω
1.5″ / 38 mm
Nominal diameter
239 Hz
Resonance
1.23
Q factor
82 dB
Sensitivity
± 0.5 mm
Linear excursion
15 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.2
dB
Frequency response
239 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
239
Hz
Mechanical quality factor
QMS
9.40
Electrical quality factor
QES
1.42
Total quality factor
QTS
1.23
Large signal parameters
Maximum linear excursion
xmax
0.5
mm
Air volume displaced at xmax
VD
0.4
cm³
Power handling
P
3
W
Program power
Pmax
15
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.08
mH
VC Diameter
16
mm
Winding height
HVC
3
mm
Magnet
Force factor
Bl
2.0
N/A
Motor constant
Bl/√RE
0.797
N/√W
Air gap height
HAG
2
mm
Diaphragm
Effective diameter
32
mm
Effective area
SD
7.8
cm²
Moving mass
MMS
0.6
g
Moving mass (without air load)
MMD
0.6
g
Suspensions
Stiffness
KMS
1.35
N/mm
Compliance
CMS
740
µm/N
Equivalent volume to the compliance
VAS
0.064
L
Mechanical resistance
RMS
0.096
N·s/m
Dimensions
Nominal diameter
1.5
″
38
mm
Net weight
0.037
kg
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SpeakerbenchSimilar speaker drivers to Wavecor FR040WA02
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1.5″Full-range
fS
230 Hz
SD
7.8 cm²
200 - 20000 Hz
QTS
1.00
xmax
1.2 mm
SPL1W
82 dB
Bl/√RE
0.71
Pmax
10 W
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1.5″Miniature
fS
228 Hz
SD
6.8 cm²
200 - 20000 Hz
QTS
1.17
xmax
1.2 mm
SPL1W
80 dB
Bl/√RE
0.733
Pmax
4 W
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2″Full-range
fS
197 Hz
SD
8.6 cm²
200 - 20000 Hz
QTS
1.00
xmax
2.0 mm
SPL1W
80 dB
Bl/√RE
0.918
Pmax
20 W