ETON 4-512/C8/25RP
Mid-range
4″ / 122 mm
Nominal diameter
78 Hz
Resonance
0.32
Q factor
89 dB
Sensitivity
± 2 mm
Linear excursion
80 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.9
- dB
- Frequency response
- 78 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 78.0
- Hz
- Mechanical quality factor
- QMS
- 6.65
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.32
- Maximum linear excursion
- xmax
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 11
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.8
- Ω
- Inductance (1kHz)
- LE
- 0.35
- mH
- VC Diameter
- 25
- mm
- Winding material
- Kapton
- Force factor
- Bl
- 6.0
- N/A
- Motor constant
- Bl/√RE
- 2.49
- N/√W
- Diameter
- 90
- mm
- Effective diameter
- 84
- mm
- Effective area
- SD
- 55
- cm²
- Moving mass
- MMS
- 4.5
- g
- Moving mass (without air load)
- MMD
- 4.2
- g
- Stiffness
- KMS
- 1.16
- N/mm
- Compliance
- CMS
- 860
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.7
- L
- Mechanical resistance
- RMS
- 0.33
- N·s/m
- Nominal diameter
- 4
- ″
- 122
- mm
- Overall diameter
- 122
- mm
- Baffle cutout diameter
- 96
- mm
- Overall depth
- 66
- mm
- Flange thickness
- 6
- mm
- Mounting depth
- 60
- mm
- Volume occupied by the driver (estimated)
- 0.32
- L
- Net weight
- 1.23
- kg
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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