Fostex FE166NV2

8Ω

Full-range

Nominal diameter	6.5″ / 160 mm
Resonance	49.6 Hz
Q factor	0.27
Sensitivity	93 dB
Program Power	65 W

Fostex FE166NV2 Full-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 93dB
Frequency response 50 - 20000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 49.6Hz
Mechanical quality factor QMS 7.88
Electrical quality factor QES 0.28
Total quality factor QTS 0.27

Large signal parameters

Power handling P 22W
Program power Pmax 65W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 7.8Ω
Inductance (1kHz) LE 0.8mH
VC Diameter 25mm

Magnet

Force factor Bl 7.7N/A
Motor constant Bl/√RE 2.76N/√W

Diaphragm

Effective diameter 130mm
Effective area SD 132cm²
Moving mass MMS 7g
Moving mass (without air load) MMD 5.9g

Suspensions

Stiffness KMS 0.667N/mm
Compliance CMS 1500µm/N
Equivalent volume to the compliance VAS 36.9L
Mechanical resistance RMS 0.28N·s/m

Dimensions

Nominal diameter 6.5″
160mm
Overall size 166 x 166mm
Baffle cutout diameter 146mm
Volume occupied by the driver (estimated) 0.65L
Net weight 1.6kg

Fostex FE166NV2 SPL & Impedance

Fostex FE166NV2 Dimensions

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