2.75″ / 70 mm
Nominal diameter
73 Hz
Resonance
0.34
Q factor
82 dB
Sensitivity
30 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.6
dB
Frequency response
73 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
73.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Power handling
P
15
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.16
mH
VC Diameter
26
mm
Winding height
HVC
9
mm
Magnet
Force factor
Bl
3.85
N/A
Motor constant
Bl/√RE
2.15
N/√W
Air gap height
HAG
4
mm
Weight
0.043
kg
Diaphragm
Effective diameter
53
mm
Effective area
SD
22
cm²
Moving mass
MMS
3.7
g
Moving mass (without air load)
MMD
3.6
g
Suspensions
Stiffness
KMS
0.77
N/mm
Compliance
CMS
1300
µm/N
Equivalent volume to the compliance
VAS
0.89
L
Mechanical resistance
RMS
0.28
N·s/m
Dimensions
Nominal diameter
2.75
″
70
mm
Net weight
0.16
kg
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Similar speaker drivers to Wavecor SW070WA01
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3″Full-range
fS
70 Hz
SD
24 cm²
100 - 20000 Hz
QTS
0.37
xmax
4.6 mm
SPL1W
82 dB
Bl/√RE
1.76
Pmax
12 W
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3″Full-range
fS
72 Hz
SD
24 cm²
100 - 20000 Hz
QTS
0.36
xmax
4.0 mm
SPL1W
83 dB
Bl/√RE
1.79
Pmax
12 W
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3″Full-range
fS
75 Hz
SD
32 cm²
75 - 20000 Hz
QTS
0.31
xmax
3.5 mm
SPL1W
85 dB
Bl/√RE
2.22
Pmax
60 W