Dayton Audio Reference RS125-4

Woofer

5″ / 126 mm
Nominal diameter
57 Hz
Resonance
0.37
Q factor
85 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
85.1
dB
Frequency response
65 - 5400
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
57.2
Hz
Mechanical quality factor
QMS
2.04
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.37

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
21
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.9
Ω
Inductance (1kHz)
LE
0.28
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor
Bl
3.63
N/A
Motor constant
Bl/√RE
2.13
N/√W
Material
Ferrite

Diaphragm

Effective diameter
82
mm
Effective area
SD
53
cm²
Moving mass
MMS
5.7
g
Moving mass (without air load)
MMD
5.4
g
Material
Black Anodized Aluminum

Suspensions

Stiffness
KMS
0.74
N/mm
Compliance
CMS
1350
µm/N
Equivalent volume to the compliance
VAS
5.29
L
Mechanical resistance
RMS
1.0
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
5
126
mm
Overall diameter
126
mm
Baffle cutout diameter
94
mm
Overall depth
54
mm
Volume occupied by the driver (estimated)
0.2
L
Frame material
Cast Aluminium
Dayton Audio RS125-4 Impedance
Dayton Audio RS125-4 SPL
Dayton Audio RS125-4 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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