Dayton Audio Reference RS180P-4

Woofer

7″ / 181 mm
Nominal diameter
38 Hz
Resonance
0.39
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
90 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
86.2
dB
Frequency response
35 - 8000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
37.7
Hz
Mechanical quality factor
QMS
1.98
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
76
cm³
Power handling
P
60
W
Program power
Pmax
90
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
39
mm

Magnet

Force factor
Bl
4.67
N/A
Motor constant
Bl/√RE
2.65
N/√W
Material
Ferrite

Diaphragm

Effective diameter
127
mm
Effective area
SD
127
cm²
Moving mass
MMS
14.8
g
Moving mass (without air load)
MMD
13.7
g
Material
Paper / Kevlar

Suspensions

Stiffness
KMS
0.83
N/mm
Compliance
CMS
1210
µm/N
Equivalent volume to the compliance
VAS
27.3
L
Mechanical resistance
RMS
1.77
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
7
181
mm
Overall diameter
181
mm
Baffle cutout diameter
146
mm
Overall depth
81
mm
Volume occupied by the driver (estimated)
0.55
L
Frame material
Cast Aluminium
Dayton Audio RS180P-4 Impedance
Dayton Audio RS180P-4 SPL
Dayton Audio RS180P-4 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar woofers to Dayton Audio RS180P-4

Morel TiW 634Ft Woofer
6Woofer
fS
34 Hz
SD
119 cm²
QTS
0.39
xmax
4.3 mm
SPL1W
86 dB
Bl/√RE
2.95
Pmax
300 W