Dayton Audio Reference RS125P-4

Woofer

5″ / 126 mm
Nominal diameter
70 Hz
Resonance
0.48
Q factor
86 dB
Sensitivity
± 4 mm
Linear excursion
60 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.7
dB
Frequency response
70 - 12000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
3.19
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.48

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
22
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.32
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor
Bl
3.49
N/A
Motor constant
Bl/√RE
1.98
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
Paper / Kevlar

Suspensions

Stiffness
KMS
0.98
N/mm
Compliance
CMS
1020
µm/N
Equivalent volume to the compliance
VAS
3.98
L
Mechanical resistance
RMS
0.7
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
Dayton Audio RS125P-4 Impedance
Dayton Audio RS125P-4 SPL
Dayton Audio RS125P-4 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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