Dayton Audio Reference RS180S-8
Woofer
7″ / 181 mm
Nominal diameter
38 Hz
Resonance
0.36
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
120 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.6
dB
Frequency response
41 - 3600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.7
Hz
Mechanical quality factor
QMS
1.45
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
75
cm³
Power handling
P
60
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.79
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
7.28
N/A
Motor constant
Bl/√RE
2.88
N/√W
Material
Ferrite
Diaphragm
Effective diameter
126
mm
Effective area
SD
125
cm²
Moving mass
MMS
17
g
Moving mass (without air load)
MMD
15.9
g
Material
Black Anodized Aluminum
Suspensions
Stiffness
KMS
0.95
N/mm
Compliance
CMS
1050
µm/N
Equivalent volume to the compliance
VAS
23
L
Mechanical resistance
RMS
2.78
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
7
″
181
mm
Overall diameter
181
mm
Baffle cutout diameter
146
mm
Overall depth
98
mm
Volume occupied by the driver (estimated)
0.7
L
Frame material
Cast Aluminium
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Dayton Audio RS180S-8
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5.25″Mid-range
fS
40 Hz
SD
95 cm²
40 - 8000 Hz
QTS
0.39
xmax
3.5 mm
SPL1W
86 dB
Bl/√RE
2.65
Pmax
80 W
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