Dayton Audio Reference RS125T-8
Woofer
5″ / 126 mm
Nominal diameter
76 Hz
Resonance
0.5
Q factor
86 dB
Sensitivity
± 2.8 mm
Linear excursion
60 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.7
dB
Frequency response
75 - 9200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
76.0
Hz
Mechanical quality factor
QMS
2.62
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
2.8
mm
Air volume displaced at xmax
VD
15
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.58
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
5.04
N/A
Motor constant
Bl/√RE
1.99
N/√W
Material
Ferrite
Diaphragm
Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
5.1
g
Moving mass (without air load)
MMD
4.8
g
Material
Black Anodized Aluminum
Suspensions
Stiffness
KMS
1.15
N/mm
Compliance
CMS
870
µm/N
Equivalent volume to the compliance
VAS
3.56
L
Mechanical resistance
RMS
0.93
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
5
″
126
mm
Overall diameter
126
mm
Baffle cutout diameter
94
mm
Overall depth
55
mm
Volume occupied by the driver (estimated)
0.2
L
Frame material
Cast Aluminium
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Export this driver to a simulation software:
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QSpeakers
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SpeakerbenchSimilar woofers to Dayton Audio RS125T-8
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5″Woofer
fS
70 Hz
SD
53 cm²
70 - 10000 Hz
QTS
0.44
xmax
4.0 mm
SPL1W
86 dB
Bl/√RE
2.04
Pmax
45 W
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4″Woofer
fS
73 Hz
SD
54 cm²
100 - 8000 Hz
QTS
0.46
xmax
4.4 mm
SPL1W
86 dB
Bl/√RE
2.36
Pmax
90 W
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4″Full-range
fS
81 Hz
SD
53 cm²
80 - 15000 Hz
QTS
0.51
xmax
2.0 mm
SPL1W
86 dB
Bl/√RE
1.82
Pmax
80 W