Focal FLAX EVO Sub P 20 FE
4Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 38.5 Hz |
| Q factor | 0.56 |
| Sensitivity | 82.8 dB |
| Linear excursion | ± 10 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 38.5Hz
- Mechanical quality factor QMS 5.50
- Electrical quality factor QES 0.61
- Total quality factor QTS 0.56
Large signal parameters
- Maximum linear excursion (one way) xmax 10mm
- Air volume displaced at xmax VD 216cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.4Ω
- Inductance (1kHz) LE 1.7mH
- VC Diameter 38mm
- Winding height HVC 28mm
- Winding material Copper
- Former material Glass Fiber
Magnet
- Flux density B 0.75T
- Force factor Bl 11.5N/A
- Motor constant Bl/√RE 6.24N/√W
- Air gap height HAG 8mm
- Diameter 120mm
- Height 32mm
Diaphragm
- Effective diameter 166mm
- Effective area SD 216cm²
- Moving mass MMS 95g
- Moving mass (without air load) MMD 92.6g
- Material Flax
Suspensions
- Stiffness KMS 5.56N/mm
- Compliance CMS 180µm/N
- Equivalent volume to the compliance VAS 12L
- Mechanical resistance RMS 4.18N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 214mm
- Baffle cutout diameter 187mm
- Mounting depth 117mm
- Volume occupied by the driver (estimated) 1.4L
- Net weight 3.2kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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