Dayton Audio Point Source PS65LP-4
Full-range
6.5″ / 165 mm
Nominal diameter
67 Hz
Resonance
0.24
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
80 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.3
- dB
- Frequency response
- 60 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 67.3
- Hz
- Mechanical quality factor
- QMS
- 3.85
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 49
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.2
- Ω
- Inductance (1kHz)
- LE
- 0.39
- mH
- VC Diameter
- 25
- mm
- Winding material
- Copper Clad Aluminium
- Former material
- Kapton®
- Force factor
- Bl
- 6.0
- N/A
- Motor constant
- Bl/√RE
- 3.35
- N/√W
- Material
- Neodymium
- Effective diameter
- 125
- mm
- Effective area
- SD
- 123
- cm²
- Moving mass
- MMS
- 6.8
- g
- Moving mass (without air load)
- MMD
- 5.8
- g
- Stiffness
- KMS
- 1.22
- N/mm
- Compliance
- CMS
- 820
- µm/N
- Equivalent volume to the compliance
- VAS
- 17.3
- L
- Mechanical resistance
- RMS
- 0.75
- N·s/m
- Surround material
- Textile
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Overall diameter
- 165
- mm
- Baffle cutout diameter
- 144
- mm
- Overall depth
- 63
- mm
- Volume occupied by the driver (estimated)
- 0.34
- L
- Frame material
- Stamped Steel