Fostex FF225WK
Full-range
8″ / 200 mm
Nominal diameter
44 Hz
Resonance
0.35
Q factor
93 dB
Sensitivity
± 2.25 mm
Linear excursion
100 W
Program Power
.jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.8
- dB
- Frequency response
- 44 - 17000
- Hz
- Resonance frequency (free air)
- fS
- 44.0
- Hz
- Mechanical quality factor
- QMS
- 2.31
- Electrical quality factor
- QES
- 0.41
- Total quality factor
- QTS
- 0.35
- Maximum linear excursion
- xmax
- 2.25
- mm
- Air volume displaced at xmax
- VD
- 50
- cm³
- Power handling
- P
- 34
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 0.07
- mH
- VC Diameter
- 50
- mm
- Force factor
- Bl
- 8.49
- N/A
- Motor constant
- Bl/√RE
- 3.47
- N/√W
- Weight
- 1.067
- kg
- Effective diameter
- 168
- mm
- Effective area
- SD
- 220
- cm²
- Moving mass
- MMS
- 18.4
- g
- Moving mass (without air load)
- MMD
- 16
- g
- Stiffness
- KMS
- 1.21
- N/mm
- Compliance
- CMS
- 826
- µm/N
- Equivalent volume to the compliance
- VAS
- 57.9
- L
- Mechanical resistance
- RMS
- 2.2
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 208
- mm
- Baffle cutout diameter
- 185
- mm
- Overall depth
- 92
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Net weight
- 3.52
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.jpg.webp)
.jpg.webp)
.jpg.webp)