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Fostex FE SIGMA-SERIES FE208 User Manual

Fostex FE SIGMA-SERIES FE208
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Features
200mm (8 in) double cone type full
range
8 ohm impedance
fo to 20kHz frequency response
96.5dB sensitivity at 1W/1m (3.3ft)
3.8kg (8.38 lb) net weight
Frequency Response / ImpedanceSpecifications
&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 45Hz
S.P.L. : 96.5dB/W (m)
Rated Input : 34W
Music Power : 100W
Equivalent Diaghram Radius
: 81mm (3.19 in)
Reproduction Frequency Response
: fo - 20kHz
Equivalent Mass : 12g (0.026 lb)
Magnet Weight : 1.7kg (3.86 lb)
Net Weight : 3.8kg (8.38 lb)
Fs : 45Hz
Re : 6.7 ohm
Qes : 0.23
Qts : 0.21
Vas : 36.9 L
Xmax : 0.75mm(0.029 in)
Dimensions & Mounting Information
FE Sigma-series
no : 2.03%
Qms : 4.03
20 50 100 200 500
1000
2000 5000
10000
20000
50
60
70
80
90
100
110
(dB)
Hz
ohm
64
32
16
8
4
Impedance
60º
30º
FE208
Ø185
Ø213
8-Ø6
Ø133
126.5
113.513
Ø230
RED DOT
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Fostex FE SIGMA-SERIES FE208 Specifications

General IconGeneral
BrandFostex
ModelFE SIGMA-SERIES FE208
CategoryCar Speakers
LanguageEnglish

Summary

Fostex FE208 Sigma Series Features

Double Cone Type

Features a 200mm (8 inch) double cone type full range driver for wide frequency reproduction.

Impedance and Sensitivity

Specifies an 8 ohm impedance and high sensitivity of 96.5dB at 1W/1m.

Frequency Response Range

Covers a frequency response from fo up to 20kHz, indicating broad audio coverage.

Net Weight

The speaker unit has a net weight of 3.8kg (8.38 lb).

Speaker Specifications and Thiele/Small Parameters

Impedance and SPL

Details the speaker's impedance as 8 ohm and Sound Pressure Level (SPL) as 96.5dB/W (m).

Frequency Response

Minimum frequency response is 45Hz; reproduction frequency response is fo - 20kHz.

Power Handling

Rated input power is 34W, with a music power rating of 100W.

Thiele/Small Parameters

Includes parameters like Fs (45Hz), Re (6.7 ohm), Qts (0.21), Vas (36.9 L), and Xmax (0.75mm).

Frequency Response and Impedance Chart

Frequency Response Curve

Graph showing speaker's frequency response across various frequencies with phase information.

Impedance Curve

Graph illustrating the speaker's impedance variation with frequency.

Speaker Dimensions and Mounting

Overall Dimensions

Provides key dimensions: Ø133mm (driver diameter), Ø230mm (mounting diameter), and height details.

Mounting Hole Information

Details mounting hole specifications, including 8-Ø6 holes and outer Ø185mm diameter.