Dayton Audio PC105-8
4Ω
8Ω
Full-range
4″ / 107 mm
Nominal diameter
85 Hz
Resonance
0.64
Q factor
85 dB
Sensitivity
± 2 mm
Linear excursion
80 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.3
dB
Frequency response
80 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
84.8
Hz
Mechanical quality factor
QMS
2.29
Electrical quality factor
QES
0.88
Total quality factor
QTS
0.64
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
11
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
0.54
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
4.1
N/A
Motor constant
Bl/√RE
1.58
N/√W
Material
Ferrite
Diaphragm
Effective diameter
82
mm
Effective area
SD
53
cm²
Moving mass
MMS
4.2
g
Moving mass (without air load)
MMD
3.9
g
Material
Poly Composite
Suspensions
Stiffness
KMS
1.19
N/mm
Compliance
CMS
840
µm/N
Equivalent volume to the compliance
VAS
3.4
L
Mechanical resistance
RMS
0.98
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
4
″
107
mm
Overall diameter
107
mm
Baffle cutout diameter
60
mm
Overall depth
102
mm
Volume occupied by the driver (estimated)
0.37
L
Frame material
Stamped Steel
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Dayton Audio PC105-8
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4″Mid-range
fS
75 Hz
SD
57 cm²
75 - 18000 Hz
QTS
0.67
xmax
1.0 mm
SPL1W
85 dB
Bl/√RE
1.53
Pmax
50 W
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4″Mid-range
fS
80 Hz
SD
55 cm²
80 - 5000 Hz
QTS
0.55
xmax
1.5 mm
SPL1W
86 dB
Bl/√RE
1.93
Pmax
80 W
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4″Woofer
fS
80 Hz
SD
64 cm²
70 - 4500 Hz
QTS
0.55
xmax
2.0 mm
SPL1W
86 dB
Bl/√RE
1.92
Pmax
200 W