4″ / 116 mm
Nominal diameter
59 Hz
Resonance
0.43
Q factor
82 dB
Sensitivity
± 4 mm
Linear excursion
80 W
Program Power
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Available on (affiliate link)
Parts Express
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Specifications
Sensitivity (1W, 1m, infinite baffle)
SPL1W
81.6
dB
Frequency response
55 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
59.2
Hz
Mechanical quality factor
QMS
2.30
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
20
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.8
Ω
Inductance (1kHz)
LE
1.9
mH
VC Diameter
25
mm
Winding material
CCA
Former material
Aluminum
Magnet
Force factor
Bl
7.4
N/A
Motor constant
Bl/√RE
2.65
N/√W
Material
Ferrite
Diaphragm
Effective diameter
80
mm
Effective area
SD
50
cm²
Moving mass
MMS
10.2
g
Moving mass (without air load)
MMD
9.9
g
Material
Treated Paper
Suspensions
Stiffness
KMS
1.41
N/mm
Compliance
CMS
710
µm/N
Equivalent volume to the compliance
VAS
2.52
L
Mechanical resistance
RMS
1.64
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
4
″
116
mm
Overall diameter
116
mm
Baffle cutout diameter
96
mm
Overall depth
59
mm
Volume occupied by the driver (estimated)
0.2
L
Frame material
Steel
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SpeakerbenchSimilar woofers to Dayton Audio TCP115-8
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4″Woofer
fS
54 Hz
SD
50 cm²
55 - 5000 Hz
QTS
0.35
xmax
4.0 mm
SPL1W
83 dB
Bl/√RE
2.91
Pmax
80 W
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3″Full-range
fS
67 Hz
SD
31 cm²
66 - 15000 Hz
QTS
0.37
xmax
2.5 mm
SPL1W
83 dB
Bl/√RE
1.79
Pmax
40 W