Fostex FE 166 NV2 - Fullrange Chassis

-6 %

RRP 120,00 €

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Fostex FE 166 NV2 - Fullrange Chassis

The cone paper of the NV models is made from a novel kenaf fiber blend. The mixture of long and short fibers made of non-wood pulp, with the addition of chemical fibers and mineral ores, provides increased rigidity and improved propagation speed.

Eliminating the metallic eyelets, which cause balance imbalance and result in non-uniform resonance distribution across the annular vibrations of the cone-shaped diaphragm, has reduced the undesirable harmonic distortion in the midrange.
The proven three-point bonding, in which the voice coil, the damper and the diaphragm are brought together in a ring, allows a direct power transmission.

The gold-plated Faston 205 connection terminal promises lossless signal transmission.

Features und technical Data
Electrical Parameters
  • Nominal Impedance: 8.0 ohm
  • Re: 7.8 ohm
  • Le: 0.8 mH
  • fs (F0): 49.6 Hz
Mechanical Parameters
  • Mms (M0): 7.0 g
  • Cms: 1.5 mm/N
  • Bl: 7.7 N/A
  • Loss Factors
  • Qms: 7.88
  • Qes: 0.28
  • Qts (Q0): 0.27
Other Parameters
  • SPL (1m/1W): 94.0 dB
  • Equivalent Diaphragm Radius (a): 65.0 mm
  • Rated Input: 22 W
  • Max Input: 65 w
  • Overall Diameter: ø 166 mm
  • Voice Coil Diameter: 25 mm
  • Reproduction Frequency Response: fs to 20kHz
  • Vas: 36.9 L
  • Baffle Hole Diameter: ø 146 mm
  • Weigt: 1,600g

Short data

Usage as Fullrange
Power Handling 65 Watt
Impedance 8 Ohm
Frequency from 49 Hz
Max. Frequency 20 kHz


Overall dimensions 166 mm
Baffle cutout 143 mm
Depth (Total) 77 mm
Front material Fibreglass
Frame Material Steel plate
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Fibreglass
Dustcap Material Fibreglass
Voice coil Ø 25 mm
Magnet Ø 110 mm


Resonance fs fs: 49 Hz
Mechanical Q Qms: 7.88
Electrical Q Qes: 0.28
Total Q Qts: 0.27
Equivalent Air-Volumen Vas: 36.9 Liter
DC-Resistance Re: 7.8 Ohm
Coil Inductance Le: 0.8 mH
Mech. Compliance Cms: 1.5 mm/N
Moving Mass Mms: 7 g
BL Product Bl: 7.7 N/A
Membrane Ø Md: 130
Membrane Area Sd: 40.82 cm²
Sound pressure dB: 94 SPL


Technical Dimensions

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