Dayton Audio Reference RS225P-4A
4Ω
8ΩWoofer
8″ / 223 mm
Nominal diameter
38 Hz
Resonance
0.38
Q factor
89 dB
Sensitivity
± 6 mm
Linear excursion
120 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.6
- dB
- Frequency response
- 35 - 5500
- Hz
- Resonance frequency (free air)
- fS
- 37.7
- Hz
- Mechanical quality factor
- QMS
- 1.85
- Electrical quality factor
- QES
- 0.48
- Total quality factor
- QTS
- 0.38
- Maximum linear excursion
- xmax
- 6.0
- mm
- Air volume displaced at xmax
- VD
- 128
- cm³
- Power handling
- P
- 80
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.3
- Ω
- Inductance (1kHz)
- LE
- 0.51
- mH
- VC Diameter
- 39
- mm
- Force factor
- Bl
- 6.4
- N/A
- Motor constant
- Bl/√RE
- 3.52
- N/√W
- Material
- Ferrite
- Effective diameter
- 165
- mm
- Effective area
- SD
- 214
- cm²
- Moving mass
- MMS
- 25
- g
- Moving mass (without air load)
- MMD
- 22.6
- g
- Material
- Paper / Kevlar
- Stiffness
- KMS
- 1.41
- N/mm
- Compliance
- CMS
- 710
- µm/N
- Equivalent volume to the compliance
- VAS
- 45.8
- L
- Mechanical resistance
- RMS
- 3.2
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 8
- ″
- 223
- mm
- Overall diameter
- 223
- mm
- Baffle cutout diameter
- 184
- mm
- Overall depth
- 84
- mm
- Volume occupied by the driver (estimated)
- 0.76
- L
- Frame material
- Cast Aluminium
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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