Focal SLATEFIBER 65 SF
4Ω
Mid-range
| Nominal diameter | 2.5″ / 65 mm |
| Resonance | 230 Hz |
| Q factor | 1.00 |
| Sensitivity | 83.4 dB |
| Linear excursion | ± 2 mm |
| Program power | 80 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83.4dB
- Frequency response 250 - 11000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 230Hz
- Mechanical quality factor QMS 4.50
- Electrical quality factor QES 1.30
- Total quality factor QTS 1.00
Large signal parameters
- Maximum linear excursion (one way) xmax 2mm
- Air volume displaced at xmax VD 4.4cm³
- Power handling P 40W
- Program power Pmax 80W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 2.8Ω
- Inductance (1kHz, estimated) LE 0.12mH
- VC Diameter 25mm
- Winding material Copper
- Former material Kapton
Magnet
- Force factor Bl 2.9N/A
- Motor constant Bl/√RE 1.73N/√W
- Material Ferrite
Diaphragm
- Effective diameter 53mm
- Effective area SD 22cm²
- Moving mass (including air load) MMS 2.8g
- Moving mass MMD 2.7g
- Material Slate fiber
Suspensions
- Stiffness KMS 5N/mm
- Compliance CMS 200µm/N
- Equivalent volume to the compliance VAS 0.12L
- Mechanical resistance RMS 0.9N·s/m
- Surround material Butyl Rubber
Dimensions
- Nominal diameter 2.5″
- 65mm
- Overall diameter 76mm
- Baffle cutout diameter 64mm
- Mounting depth 35mm
- Volume occupied by the driver (estimated) 79L
- Net weight 150.0kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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