Dayton Audio GF180-8
4Ω
8Ω
Woofer
6.5″ / 180 mm
Nominal diameter
53 Hz
Resonance
0.5
Q factor
88 dB
Sensitivity
± 4 mm
Linear excursion
80 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.6
- dB
- Frequency response
- 50 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 53.0
- Hz
- Mechanical quality factor
- QMS
- 3.07
- Electrical quality factor
- QES
- 0.60
- Total quality factor
- QTS
- 0.50
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 52
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 8.0
- Ω
- Inductance (1kHz)
- LE
- 1.9
- mH
- VC Diameter
- 25
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Force factor
- Bl
- 7.9
- N/A
- Motor constant
- Bl/√RE
- 2.79
- N/√W
- Material
- Ferrite
- Effective diameter
- 129
- mm
- Effective area
- SD
- 130
- cm²
- Moving mass
- MMS
- 13.9
- g
- Moving mass (without air load)
- MMD
- 12.7
- g
- Material
- Fiberglass
- Stiffness
- KMS
- 1.54
- N/mm
- Compliance
- CMS
- 650
- µm/N
- Equivalent volume to the compliance
- VAS
- 15.5
- L
- Mechanical resistance
- RMS
- 1.51
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 6.5
- ″
- 180
- mm
- Overall diameter
- 178
- mm
- Baffle cutout diameter
- 144
- mm
- Overall depth
- 81
- mm
- Volume occupied by the driver (estimated)
- 0.53
- L
- Frame material
- Steel