Dayton Audio Odeum Apollo 15N
Woofer
15″ / 389 mm
Nominal diameter
44 Hz
Resonance
0.33
Q factor
99 dB
Sensitivity
± 6.55 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 98.9
- dB
- Frequency response
- 40 - 4500
- Hz
- Resonance frequency (free air)
- fS
- 44.0
- Hz
- Mechanical quality factor
- QMS
- 10.47
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 6.55
- mm
- Air volume displaced at xmax
- VD
- 553
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.8
- Ω
- Inductance (1kHz)
- LE
- 0.14
- mH
- VC Diameter
- 76
- mm
- Winding material
- Copper
- Former material
- Glass Fiber
- Force factor
- Bl
- 20.96
- N/A
- Motor constant
- Bl/√RE
- 8.7
- N/√W
- Material
- Neodymium
- Effective diameter
- 328
- mm
- Effective area
- SD
- 845
- cm²
- Moving mass
- MMS
- 93.4
- g
- Moving mass (without air load)
- MMD
- 76.1
- g
- Material
- Coated Paper
- Stiffness
- KMS
- 7.04
- N/mm
- Compliance
- CMS
- 142
- µm/N
- Equivalent volume to the compliance
- VAS
- 155
- L
- Mechanical resistance
- RMS
- 2.47
- N·s/m
- Surround material
- Paper
- Nominal diameter
- 15
- ″
- 389
- mm
- Overall diameter
- 389
- mm
- Baffle cutout diameter
- 353
- mm
- Overall depth
- 169
- mm
- Volume occupied by the driver (estimated)
- 4.1
- L
- Frame material
- Steel