Dayton Audio CE65W-8
Full-range
2.5″ / 83 mm
Nominal diameter
105 Hz
Resonance
0.99
Q factor
82 dB
Sensitivity
± 2 mm
Linear excursion
15 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.3
dB
Frequency response
105 - 16000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
105
Hz
Mechanical quality factor
QMS
3.85
Electrical quality factor
QES
1.34
Total quality factor
QTS
0.99
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
4.2
cm³
Power handling
P
8
W
Program power
Pmax
15
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.51
mH
VC Diameter
20
mm
Magnet
Force factor
Bl
2.73
N/A
Motor constant
Bl/√RE
1.04
N/√W
Material
Ferrite
Diaphragm
Effective diameter
52
mm
Effective area
SD
21
cm²
Moving mass
MMS
1.9
g
Moving mass (without air load)
MMD
1.8
g
Material
Fiberglass
Suspensions
Stiffness
KMS
1.1
N/mm
Compliance
CMS
910
µm/N
Equivalent volume to the compliance
VAS
0.578
L
Mechanical resistance
RMS
0.33
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
2.5
″
83
mm
Overall diameter
83
mm
Baffle cutout diameter
59
mm
Overall depth
45
mm
Volume occupied by the driver (estimated)
0.13
L
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2.75″Full-range
fS
123 Hz
SD
28 cm²
160 - 20000 Hz
QTS
0.96
xmax
2.3 mm
SPL1W
83 dB
Bl/√RE
1.33
Pmax
40 W