Dayton Audio CE81PF-8

Full-range

3″ / 81 mm
Nominal diameter
97 Hz
Resonance
0.81
Q factor
82 dB
Sensitivity
± 2.7 mm
Linear excursion
30 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
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
82.2
dB
Frequency response
80 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
97.0
Hz
Mechanical quality factor
QMS
7.92
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.81

Large signal parameters

Maximum linear excursion
xmax
2.7
mm
Air volume displaced at xmax
VD
7.6
cm³
Power handling
P
15
W
Program power
Pmax
30
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
20
mm

Magnet

Force factor
Bl
3.72
N/A
Motor constant
Bl/√RE
1.44
N/√W

Diaphragm

Effective diameter
60
mm
Effective area
SD
28
cm²
Moving mass
MMS
3
g
Moving mass (without air load)
MMD
2.9
g

Suspensions

Stiffness
KMS
1.13
N/mm
Compliance
CMS
889
µm/N
Equivalent volume to the compliance
VAS
0.998
L
Mechanical resistance
RMS
0.23
N·s/m

Dimensions

Nominal diameter
3
81
mm
Overall diameter
81
mm
Baffle cutout diameter
70
mm
Overall depth
51
mm
Volume occupied by the driver (estimated)
0.1
L
Dayton Audio CE81PF-8 Impedance
Dayton Audio CE81PF-8 SPL

Export this driver to a simulation software:

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fS
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SD
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100 - 20000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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