Fostex FW305
Woofer
12″ / 300 mm
Nominal diameter
25 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 4.8 mm
Linear excursion
125 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.4
- dB
- Frequency response
- 25 - 3500
- Hz
- Resonance frequency (free air)
- fS
- 25.0
- Hz
- Mechanical quality factor
- QMS
- 2.73
- Electrical quality factor
- QES
- 0.28
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 4.8
- mm
- Air volume displaced at xmax
- VD
- 253
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 125
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.6
- Ω
- Inductance (1kHz, estimated)
- LE
- 1.05
- mH
- Force factor
- Bl
- 14.3
- N/A
- Motor constant
- Bl/√RE
- 5.57
- N/√W
- Weight
- 1.41
- kg
- Effective diameter
- 259
- mm
- Effective area
- SD
- 527
- cm²
- Moving mass
- MMS
- 55
- g
- Moving mass (without air load)
- MMD
- 46.4
- g
- Stiffness
- KMS
- 1.55
- N/mm
- Compliance
- CMS
- 645
- µm/N
- Equivalent volume to the compliance
- VAS
- 254
- L
- Mechanical resistance
- RMS
- 3.16
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 312
- mm
- Baffle cutout diameter
- 280
- mm
- Overall depth
- 121
- mm
- Volume occupied by the driver (estimated)
- 2.1
- L
- Net weight
- 5.0
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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