Dayton Audio PC68-4
4Ω
8ΩFull-range
2.5″ / 68 mm
Nominal diameter
117 Hz
Resonance
0.65
Q factor
83 dB
Sensitivity
± 2 mm
Linear excursion
40 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.3
- dB
- Frequency response
- 120 - 17000
- Hz
- Resonance frequency (free air)
- fS
- 117
- Hz
- Mechanical quality factor
- QMS
- 2.49
- Electrical quality factor
- QES
- 0.87
- Total quality factor
- QTS
- 0.65
- Maximum linear excursion
- xmax
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 4.2
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.8
- Ω
- Inductance (1kHz)
- LE
- 0.29
- mH
- VC Diameter
- 19
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Force factor
- Bl
- 2.4
- N/A
- Motor constant
- Bl/√RE
- 1.23
- N/√W
- Material
- Ferrite
- Effective diameter
- 52
- mm
- Effective area
- SD
- 21
- cm²
- Moving mass
- MMS
- 1.7
- g
- Moving mass (without air load)
- MMD
- 1.6
- g
- Material
- Poly Composite
- Stiffness
- KMS
- 0.94
- N/mm
- Compliance
- CMS
- 1070
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.7
- L
- Mechanical resistance
- RMS
- 0.5
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 2.5
- ″
- 68
- mm
- Overall diameter
- 68
- mm
- Baffle cutout diameter
- 64
- mm
- Overall depth
- 37
- mm
- Frame material
- Stamped Steel
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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