Dayton Audio Signature SIG120-4
Woofer
4″ / 120 mm
Nominal diameter
75 Hz
Resonance
0.43
Q factor
86 dB
Sensitivity
± 4 mm
Linear excursion
80 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.1
- dB
- Frequency response
- 75 - 8500
- Hz
- Resonance frequency (free air)
- fS
- 74.6
- Hz
- Mechanical quality factor
- QMS
- 4.84
- Electrical quality factor
- QES
- 0.47
- Total quality factor
- QTS
- 0.43
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 23
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.7
- Ω
- Inductance (1kHz)
- LE
- 0.22
- mH
- VC Diameter
- 27
- mm
- Winding material
- Copper
- Former material
- Glass fiber
- Force factor
- Bl
- 5.0
- N/A
- Motor constant
- Bl/√RE
- 2.6
- N/√W
- Material
- Ferrite
- Effective diameter
- 85
- mm
- Effective area
- SD
- 56
- cm²
- Moving mass
- MMS
- 6.7
- g
- Moving mass (without air load)
- MMD
- 6.4
- g
- Material
- Aluminum
- Stiffness
- KMS
- 1.47
- N/mm
- Compliance
- CMS
- 680
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.1
- L
- Mechanical resistance
- RMS
- 0.65
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 4
- ″
- 120
- mm
- Overall diameter
- 123
- mm
- Baffle cutout diameter
- 95
- mm
- Overall depth
- 56
- 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:
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