Dayton Audio Reference RS125P-4
4Ω
8ΩWoofer
5″ / 126 mm
Nominal diameter
70 Hz
Resonance
0.48
Q factor
86 dB
Sensitivity
± 4 mm
Linear excursion
60 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.7
- dB
- Frequency response
- 70 - 12000
- Hz
- 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
- 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
- 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
- Force factor
- Bl
- 3.49
- N/A
- Motor constant
- Bl/√RE
- 1.98
- N/√W
- Material
- Ferrite
- 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
- 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
- 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
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:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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