Fostex W400A-HR
Woofer
15″ / 400 mm
Nominal diameter
25 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 5.5 mm
Linear excursion
200 W
Program Power
.jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.8
- dB
- Frequency response
- 25 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 25.0
- Hz
- Mechanical quality factor
- QMS
- 8.20
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 451
- cm³
- Power handling
- P
- 67
- W
- Program power
- Pmax
- 200
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 2.64
- mH
- VC Diameter
- 100
- mm
- Force factor
- Bl
- 19.5
- N/A
- Motor constant
- Bl/√RE
- 7.96
- N/√W
- Weight
- 3.1
- kg
- Material
- Alnico
- Effective diameter
- 323
- mm
- Effective area
- SD
- 820
- cm²
- Moving mass
- MMS
- 130
- g
- Moving mass (without air load)
- MMD
- 113.1
- g
- Stiffness
- KMS
- 3.03
- N/mm
- Compliance
- CMS
- 330
- µm/N
- Equivalent volume to the compliance
- VAS
- 310
- L
- Mechanical resistance
- RMS
- 2.49
- N·s/m
- Nominal diameter
- 15
- ″
- 400
- mm
- Overall diameter
- 395
- mm
- Baffle cutout diameter
- 357
- mm
- Overall depth
- 242
- mm
- Volume occupied by the driver (estimated)
- 9.8
- L
- Net weight
- 21.4
- 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)