Dayton Audio Reference RS125-4
4Ω
8ΩWoofer
5″ / 126 mm
Nominal diameter
57 Hz
Resonance
0.37
Q factor
85 dB
Sensitivity
± 4 mm
Linear excursion
60 W
Program Power
.jpg)
.jpg)
.jpg)
- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.1
- dB
- Frequency response
- 65 - 5400
- Hz
- 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
- 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
- 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
- Force factor
- Bl
- 3.63
- N/A
- Motor constant
- Bl/√RE
- 2.13
- N/√W
- Material
- Ferrite
- 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
- 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
- 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
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.png.webp)
.jpg.webp)
.png.webp)