Dayton Audio CE67PR-4
Full-range
2″ / 67 mm
Nominal diameter
218 Hz
Resonance
0.92
Q factor
83 dB
Sensitivity
± 2.2 mm
Linear excursion
30 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.4
dB
Frequency response
218 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
218
Hz
Mechanical quality factor
QMS
5.52
Electrical quality factor
QES
1.11
Total quality factor
QTS
0.92
Large signal parameters
Maximum linear excursion
xmax
2.2
mm
Air volume displaced at xmax
VD
3.7
cm³
Power handling
P
15
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.5
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
20
mm
Magnet
Force factor
Bl
3.22
N/A
Motor constant
Bl/√RE
1.51
N/√W
Diaphragm
Effective diameter
46
mm
Effective area
SD
17
cm²
Moving mass
MMS
1.8
g
Moving mass (without air load)
MMD
1.7
g
Suspensions
Stiffness
KMS
3.45
N/mm
Compliance
CMS
290
µm/N
Equivalent volume to the compliance
VAS
0.11
L
Mechanical resistance
RMS
0.45
N·s/m
Dimensions
Nominal diameter
2
″
67
mm
Overall diameter
67
mm
Baffle cutout diameter
53
mm
Overall depth
37
mm
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2″Full-range
fS
216 Hz
SD
11 cm²
200 - 20000 Hz
QTS
0.81
xmax
1.4 mm
SPL1W
82 dB
Bl/√RE
1.11
Pmax
40 W
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2″Full-range
fS
210 Hz
SD
17 cm²
200 - 20000 Hz
QTS
0.92
xmax
2.4 mm
SPL1W
84 dB
Bl/√RE
1.28
Pmax
30 W
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1.5″
fS
233 Hz
SD
7.8 cm²
233 - 20000 Hz
QTS
0.90
xmax
0.5 mm
SPL1W
82 dB
Bl/√RE
0.964
Pmax
15 W