Dayton Audio PC68-8
4Ω
8Ω
Full-range
2.5″ / 68 mm
Nominal diameter
109 Hz
Resonance
0.64
Q factor
82 dB
Sensitivity
± 2 mm
Linear excursion
40 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 82.1
- dB
- Frequency response
- 110 - 17000
- Hz
- Resonance frequency (free air)
- fS
- 109
- Hz
- Mechanical quality factor
- QMS
- 2.27
- Electrical quality factor
- QES
- 0.88
- Total quality factor
- QTS
- 0.64
- 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
- 8
- Ω
- DC resistance
- RE
- 6.8
- Ω
- Inductance (1kHz)
- LE
- 0.47
- mH
- VC Diameter
- 19
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Force factor
- Bl
- 3.3
- N/A
- Motor constant
- Bl/√RE
- 1.27
- N/√W
- Material
- Ferrite
- Effective diameter
- 52
- mm
- Effective area
- SD
- 21
- cm²
- Moving mass
- MMS
- 2
- g
- Moving mass (without air load)
- MMD
- 1.9
- g
- Material
- Poly Composite
- Stiffness
- KMS
- 0.95
- N/mm
- Compliance
- CMS
- 1050
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.3
- L
- Mechanical resistance
- RMS
- 0.6
- 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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