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
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
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
Dayton Audio CE40-4 Impedance
Dayton Audio CE40-4 SPL

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