Dayton Audio Signature SIG180-4
Woofer
8″ / 180 mm
Nominal diameter
41 Hz
Resonance
0.38
Q factor
87 dB
Sensitivity
± 5 mm
Linear excursion
160 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.4
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.5
Hz
Mechanical quality factor
QMS
5.19
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
72
cm³
Power handling
P
80
W
Program power
Pmax
160
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
32
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Force factor
Bl
6.6
N/A
Motor constant
Bl/√RE
3.43
N/√W
Material
Ferrite
Diaphragm
Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
19.2
g
Moving mass (without air load)
MMD
17.9
g
Material
Aluminum
Suspensions
Stiffness
KMS
1.24
N/mm
Compliance
CMS
810
µm/N
Equivalent volume to the compliance
VAS
23.2
L
Mechanical resistance
RMS
0.94
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
8
″
180
mm
Overall diameter
180
mm
Baffle cutout diameter
145
mm
Overall depth
81
mm
Volume occupied by the driver (estimated)
0.54
L
Frame material
Cast Aluminium
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar woofers to Dayton Audio SIG180-4
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6.5″Mid Bass
fS
40 Hz
SD
134 cm²
40 - 2500 Hz
QTS
0.39
xmax
4.2 mm
SPL1W
87 dB
Bl/√RE
3.14
Pmax
200 W
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7″Mid-range
fS
34 Hz
SD
137 cm²
34 - 3000 Hz
QTS
0.30
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
3.37
Pmax
160 W
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