Dayton Audio CE140-30S-8

Mid-range

1x5″/ 36x137 mm
Nominal size
105 Hz
Resonance
1.04
Q factor
79 dB
Sensitivity
± 2 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
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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
78.9
dB
Frequency response
100 - 8000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
105
Hz
Mechanical quality factor
QMS
4.64
Electrical quality factor
QES
1.35
Total quality factor
QTS
1.04

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
5.0
cm³
Power handling
P
10
W
Program power
Pmax
20
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.8
Ω
Inductance (1kHz)
LE
0.78
mH
VC Diameter
20
mm
Former material
Kapton® / Polyimide

Magnet

Force factor
Bl
4.34
N/A
Motor constant
Bl/√RE
1.56
N/√W
Material
Neodymium

Diaphragm

Effective diameter
57
mm
Effective area
SD
25
cm²
Moving mass
MMS
5.1
g
Moving mass (without air load)
MMD
5
g
Material
Fiberglass

Suspensions

Stiffness
KMS
2.13
N/mm
Compliance
CMS
470
µm/N
Equivalent volume to the compliance
VAS
0.41
L
Mechanical resistance
RMS
0.72
N·s/m
Surround material
Rubber

Dimensions

Nominal size
1 x 5
36 x 137
mm
Overall size
36 x 137
mm
Baffle cutout diameter
125
mm
Overall depth
37
mm
Dayton Audio CE140-30S-8 Dimensions

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