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
Available on (affiliate links)
Parts Express
$$
Amazon.com
$$
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
Diaphragm
Effective diameter
57
mm
Effective area
SD
25
cm²
Moving mass
MMS
5.1
g
Moving mass (without air load)
MMD
5
g
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
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
Similar speaker drivers to Dayton Audio CE140-30S-8
2.5″Full-range
fS
105 Hz
SD
21 cm²
105 - 16000 Hz
QTS
0.99
xmax
2.0 mm
SPL1W
82 dB
Bl/√RE
1.04
Pmax
15 W
2.75″Mid-range
fS
114 Hz
SD
21 cm²
114 - 20000 Hz
QTS
0.87
SPL1W
82 dB
Bl/√RE
1.24
Pmax
20 W
2.75″Mid-range
fS
117 Hz
SD
21 cm²
117 - 20000 Hz
QTS
0.98
SPL1W
83 dB
Bl/√RE
1.15
Pmax
20 W