Dayton Audio CE40P-8

Miniature

1.5″ / 40 mm
Nominal diameter
228 Hz
Resonance
1.17
Q factor
80 dB
Sensitivity
± 1.2 mm
Linear excursion
4 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
80.0
dB
Frequency response
200 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
228
Hz
Mechanical quality factor
QMS
4.19
Electrical quality factor
QES
1.63
Total quality factor
QTS
1.17

Large signal parameters

Maximum linear excursion
xmax
1.2
mm
Air volume displaced at xmax
VD
0.8
cm³
Power handling
P
2
W
Program power
Pmax
4
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.3
Ω
Inductance (1kHz)
LE
0.25
mH
VC Diameter
13
mm

Magnet

Force factor
Bl
1.98
N/A
Motor constant
Bl/√RE
0.733
N/√W
Material
Neodymium

Diaphragm

Effective diameter
29
mm
Effective area
SD
6.8
cm²
Moving mass
MMS
0.6
g
Moving mass (without air load)
MMD
0.6
g
Material
Paper

Suspensions

Stiffness
KMS
1.25
N/mm
Compliance
CMS
800
µm/N
Equivalent volume to the compliance
VAS
0.01
L
Mechanical resistance
RMS
0.2
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
1.5
40
mm
Overall diameter
40
mm
Baffle cutout diameter
36
mm
Overall depth
23
mm
Dayton Audio CE40P-8 Dimensions

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1Full-range
fS
194 Hz
SD
7.1 cm²
150 - 20000 Hz
QTS
1.12
xmax
0.7 mm
SPL1W
79 dB
Bl/√RE
0.791
Pmax
20 W