Dayton Audio CE40-4
Full-range
1″ / 40 mm
Nominal diameter
194 Hz
Resonance
1.12
Q factor
79 dB
Sensitivity
± 0.7 mm
Linear excursion
20 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
79.1
dB
Frequency response
150 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
194
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
1.45
Total quality factor
QTS
1.12
Large signal parameters
Maximum linear excursion
xmax
0.7
mm
Air volume displaced at xmax
VD
0.5
cm³
Power handling
P
10
W
Program power
Pmax
20
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.06
mH
VC Diameter
16
mm
Magnet
Force factor
Bl
1.5
N/A
Motor constant
Bl/√RE
0.791
N/√W
Diaphragm
Effective diameter
30
mm
Effective area
SD
7.1
cm²
Moving mass
MMS
0.7
g
Moving mass (without air load)
MMD
0.7
g
Suspensions
Stiffness
KMS
1.09
N/mm
Compliance
CMS
920
µm/N
Equivalent volume to the compliance
VAS
0.064
L
Mechanical resistance
RMS
0.18
N·s/m
Dimensions
Nominal diameter
1
″
40
mm
Overall diameter
40
mm
Baffle cutout diameter
37
mm
Overall depth
23
mm
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1.75″Full-range
fS
178 Hz
SD
8.0 cm²
150 - 20000 Hz
QTS
0.89
xmax
1.1 mm
SPL1W
79 dB
Bl/√RE
0.928
Pmax
10 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
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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