Dayton Audio Reference RS225P-8A

Woofer

8″ / 223 mm
Nominal diameter
32 Hz
Resonance
0.34
Q factor
88 dB
Sensitivity
± 7 mm
Linear excursion
120 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
88.1
dB
Frequency response
30 - 7000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
31.6
Hz
Mechanical quality factor
QMS
1.25
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
150
cm³
Power handling
P
80
W
Program power
Pmax
120
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
39
mm

Magnet

Force factor
Bl
8.5
N/A
Motor constant
Bl/√RE
3.19
N/√W
Material
Ferrite

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
23.6
g
Moving mass (without air load)
MMD
21.2
g
Material
Paper / Kevlar

Suspensions

Stiffness
KMS
0.94
N/mm
Compliance
CMS
1070
µm/N
Equivalent volume to the compliance
VAS
68.8
L
Mechanical resistance
RMS
3.75
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
8
223
mm
Overall diameter
223
mm
Baffle cutout diameter
184
mm
Overall depth
89
mm
Volume occupied by the driver (estimated)
0.82
L
Frame material
Cast Aluminium
Dayton Audio RS225P-8A Impedance
Dayton Audio RS225P-8A SPL
Dayton Audio RS225P-8A Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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