Fostex FW168HS
Woofer
6.5″ / 160 mm
Nominal diameter
42 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 4 mm
Linear excursion
100 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.6
- dB
- Frequency response
- 42 - 10000
- Hz
- Resonance frequency (free air)
- fS
- 42.0
- Hz
- Mechanical quality factor
- QMS
- 13.80
- Electrical quality factor
- QES
- 0.35
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 53
- cm³
- Power handling
- P
- 35
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.9
- Ω
- Inductance (1kHz)
- LE
- 0.47
- mH
- VC Diameter
- 50
- mm
- Force factor
- Bl
- 10.56
- N/A
- Motor constant
- Bl/√RE
- 4.35
- N/√W
- Weight
- 1.09
- kg
- Material
- Ferrite
- Effective diameter
- 130
- mm
- Effective area
- SD
- 133
- cm²
- Moving mass
- MMS
- 25
- g
- Moving mass (without air load)
- MMD
- 23.8
- g
- Stiffness
- KMS
- 1.67
- N/mm
- Compliance
- CMS
- 600
- µm/N
- Equivalent volume to the compliance
- VAS
- 14.3
- L
- Mechanical resistance
- RMS
- 0.48
- N·s/m
- Nominal diameter
- 6.5
- ″
- 160
- mm
- Overall diameter
- 190
- mm
- Baffle cutout diameter
- 151
- mm
- Overall depth
- 100
- mm
- Volume occupied by the driver (estimated)
- 1.2
- L
- Net weight
- 3.87
- kg