4″ / 98 mm
Nominal diameter
85 Hz
Resonance
0.54
Q factor
84 dB
Sensitivity
± 4 mm
Linear excursion
45 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.9
dB
Frequency response
85 - 13500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
84.8
Hz
Mechanical quality factor
QMS
2.67
Electrical quality factor
QES
0.67
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
15
cm³
Power handling
P
30
W
Program power
Pmax
45
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
2.95
N/A
Motor constant
Bl/√RE
1.7
N/√W
Material
Ferrite
Diaphragm
Effective diameter
68
mm
Effective area
SD
36
cm²
Moving mass
MMS
3.7
g
Moving mass (without air load)
MMD
3.5
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
1.05
N/mm
Compliance
CMS
950
µm/N
Equivalent volume to the compliance
VAS
1.86
L
Mechanical resistance
RMS
0.74
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
4
″
98
mm
Overall diameter
98
mm
Baffle cutout diameter
77
mm
Overall depth
51
mm
Volume occupied by the driver (estimated)
0.13
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 RS100P-4
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3″Full-range
fS
80 Hz
SD
30 cm²
80 - 20000 Hz
QTS
0.54
xmax
2.0 mm
SPL1W
84 dB
Bl/√RE
1.47
Pmax
60 W
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3.5″Mid-range
fS
85 Hz
SD
39 cm²
85 - 10000 Hz
QTS
0.53
xmax
2.5 mm
SPL1W
85 dB
Bl/√RE
1.96
Pmax
90 W
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3.75″Mid-range
fS
86 Hz
SD
35 cm²
86 - 5000 Hz
QTS
0.62
xmax
2.7 mm
SPL1W
84 dB
Bl/√RE
1.7
Pmax
25 W