Fountek FW168K
8Ω
Mid Bass
| Nominal diameter | 6.5″ / 168 mm |
| Resonance | 48.6 Hz |
| Q factor | 0.43 |
| Sensitivity | 86.9 dB |
| Linear excursion | ± 5 mm |
| Program Power | 100 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB
- Frequency response 70 - 4500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 48.6Hz
- Mechanical quality factor QMS 2.32
- Electrical quality factor QES 0.52
- Total quality factor QTS 0.43
Large signal parameters
- Maximum linear excursion (one way) xmax 5mm
- Air volume displaced at xmax VD 62cm³
- Power handling P 50W
- Program power Pmax 100W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.8Ω
- Inductance (1kHz, estimated) LE 0.94mH
- VC Diameter 35.5mm
- Winding height HVC 15mm
- Winding material Copper
- Former material Black Aluminum
Magnet
- Flux density B 1T
- Force factor Bl 7.9N/A
- Motor constant Bl/√RE 3.03N/√W
- Air gap height HAG 5mm
- Material Ferrite
Diaphragm
- Effective diameter 126mm
- Effective area SD 125cm²
- Moving mass MMS 15.7g
- Moving mass (without air load) MMD 14.5g
Suspensions
- Stiffness KMS 1.46N/mm
- Compliance CMS 684µm/N
- Equivalent volume to the compliance VAS 15.1L
- Mechanical resistance RMS 2.06N·s/m
Dimensions
- Nominal diameter 6.5″
- 168mm
- Overall diameter 182mm
- Overall depth 87mm
- Volume occupied by the driver (estimated) 0.55L
- Net weight 1.45kg
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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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