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FE Series

FE108NS

10cm full range
22,000 yen (tax included) / 1 unit
FE108NS

FE108NS

FE108NS

FE108NS

The FE108NS is a newly developed full-range speaker unit inheriting the development philosophy and proprietary technologies of the Sol series. The sound quality of the low frequency range with a good balance of quality and quantity and the high and mid frequency range with high quality is supported by a two-layer paper and a low distortion ferrite external magnetic circuit to realize a delicate and expressive reproduction of music.

Features

2-layer paper cone
The FE-NS series uses long-fiber pulp as the main material for the base layer to provide sufficient thickness and internal loss. Short fiber pulp is blended in the surface layer to increase the propagation speed of the diaphragm surface. This enables reproduction of highs with good rise and sharpness and bass with thickness, while maintaining the bright and taut tone of the mid-range.

Large ferrite magnetic circuit
A large ferrite magnet is used in the magnetic circuit to ensure sufficient magnetic flux density. Copper caps are added to the pole section to reduce current distortion, resulting in powerful music reproduction and improved sound quality in the mid and high frequencies.

Highly rigid aluminum die-cast frame
A highly rigid aluminum die-cast frame is used to support the large ferrite magnetic circuit and eliminate unwanted resonance.

High Compliance Corrugation Damper
To improve linearity, a high-compliance corrugation damper is used, which has little change in stiffness from small to large inputs and has excellent movement.

Three-point adhesion system
A three-point adhesion system is employed to bond the cone paper, damper, and voice coil at the same point. By increasing the strength of the cone neck, the high frequency characteristics are improved.

Faston 205 gold-plated terminals
Faston 205 type low-loss gold-plated terminals are used for input terminals. This ensures secure connection of speaker cables and prevents deterioration of sound quality.

Specifications

Main Specifications

Electrical Parameters
Nominal Impedance

8 ohm

Re

7.4 ohm

Le

0.03 mH

fs (F0)

75 Hz

Mechanical Parameters
Mms (M0)

2.7 g

Cms.

1.7 mm/N

Bl

5.1 N/A

Loss Factors
Qms.

3.11

Qes.

0.35

Qts (Q0)

0.32

Other Parameters
SPL (1m/1W)

87 dB

Equivalent Diaphragm Radius (a)

39.5 mm

Rated Input

15 W

Overall Diameter

Ø128 mm

Voice Coil Diameter

20 mm

Reproduction Frequency Response

fs to 20k Hz

Vas.

5.37 L

Baffle Hole Diameter

Ø100 mm

Weight

1080 g

frequency response

External Dimensions

List of External Dimensions

model number A B c D E f g Baffle mounting holes
FE108NS diameter 98mm φ128 54.7 4-φ 5 hole Dia. 115 90mm dia. 46.5 100mm dia.
FE168NS φ143 190mm dia. 85.2 8x 6 dia. holes φ174 120mm dia. 72.4 φ151
FE208NS diameter (units assumed, esp. mm) 230mm dia. 103.8 8-φ 6 hole φ213 diameter (units assumed to be 156 mm) 91.5 185mm dia.
FE83NV 70mm dia. □83 46.4 4-4x 6 long holes diameter (mm) 60mm dia. 42.5 diameter (mm)
FE103NV phi92 □107 47.8 4-5x 7 long holes 115mm dia. 80mm dia. 43.2 diameter (units assumed, esp. mm)
FE126NV φ102.2 □117 61.1 4-φ 5 hole φ126 90mm dia. 57.5 φ104
FE166NV 143.6mm dia. □166 77.6 4-φ 5 hole φ174 110mm dia. 72 φ146
FE206NV diameter (units assumed, esp. mm) □208 89.3 4-φ 5.2 hole φ220 145mm dia. 83.5 185mm dia.
FF85WK Dia. 71 φ83 46.7 4-4x 6 long holes diameter (mm) 65mm diameter 43.3 *Refer to the diagram.
FF105WK phi92 Dia. 107 52.8 4-5x 6 long holes Dia. 115 diameter 85mm 48.8 diameter (units assumed, esp. mm)
FF125WK φ102.2 Dia. 117. 61.3 4-φ 5 hole φ126 90mm dia. 57.5 φ104
FF165WK 143.4mm dia. φ166 76.6 4-φ 5 hole φ174 120mm dia. 72 φ146
FF225WK diameter (units assumed, esp. mm) φ208 91.7 4-φ 5 hole φ220 145mm dia. 86.5 185mm dia.
FE108EΣ diameter 98mm φ128 65 8-φ 5 hole Dia. 115 90mm dia. 56.5 100mm dia.
FE168EΣ φ146 190mm dia. 88 8-φ 6 hole φ174 120mm dia. 74.4 φ151
FE208EΣ diameter (units assumed, esp. mm) 230mm dia. 107 8-φ 6 hole φ213 diameter (units assumed to be 156 mm) 93.5 185mm dia.
FX120 Dia. 103 Dia. 123 62.5 4-φ 4.5 hole φ126 -
54.5
φ104
F120A Dia. 103 Dia. 123 89 4-φ 4.5 hole φ126 -
81
φ104
F200A diameter (units assumed, esp. mm) φ194 123.7 4-φ 6 hole φ198 120mm dia. 117.2 Dia. 183

Unit:mm

*This product complies with the European RoHS Directive.

Support

Product Materials

Various product documents are available for download.
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▼Specification Sheet & Application Sheet

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