Dayton Audio Odeum Apollo 6.5N
Woofer
6.5″ / 168 mm
Nominal diameter
103 Hz
Resonance
0.28
Q factor
93 dB
Sensitivity
± 3.77 mm
Linear excursion
400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.7
- dB
- Frequency response
- 90 - 8000
- Hz
- Resonance frequency (free air)
- fS
- 103
- Hz
- Mechanical quality factor
- QMS
- 8.02
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 3.77
- mm
- Air volume displaced at xmax
- VD
- 50
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.1
- Ω
- Inductance (1kHz)
- LE
- 1.29
- mH
- VC Diameter
- 51
- mm
- Winding material
- Copper
- Former material
- Glass Fiber
- Force factor
- Bl
- 14.94
- N/A
- Motor constant
- Bl/√RE
- 6.05
- N/√W
- Material
- Neodymium
- Effective diameter
- 130
- mm
- Effective area
- SD
- 133
- cm²
- Moving mass
- MMS
- 16.9
- g
- Moving mass (without air load)
- MMD
- 15.8
- g
- Material
- Coated Paper
- Stiffness
- KMS
- 7.09
- N/mm
- Compliance
- CMS
- 141
- µm/N
- Equivalent volume to the compliance
- VAS
- 3.5
- L
- Mechanical resistance
- RMS
- 1.36
- N·s/m
- Surround material
- Paper
- Nominal diameter
- 6.5
- ″
- 168
- mm
- Overall diameter
- 168
- mm
- Baffle cutout diameter
- 146
- mm
- Overall depth
- 80
- mm
- Volume occupied by the driver (estimated)
- 0.49
- L
- Frame material
- Steel