Fostex FE87E DATA SHEET

Features

♦80mm (3 in) cone type full range
♦8 ohm impedance
♦fo to 30kHz frequency response
♦89dB sensitivity at 1W/1m (3.3ft)
♦0.288kg (0.635 lb) net weight

FE-series for AV speaker

FE87E

Specifications

&

Thiele/Small Parameters

Impedance : 8 ohm
Minimum Frequency Response

: 140Hz

Reproduction Frequency Response

: fo - 30kHz
S.P.L. : 89dB/W (m)
Rated Input : 5W
Music Power : 10W
Equivalent Diaghram Radius

: 30mm (1.181 in)
Equivalent Mass : 1.4g (0.003 lb)
Magnet Weight (main): 48.4g (0.107 lb)

(cancel): 27.9g (0.062 lb)
Net Weight : 288g (0.635 lb)
Fs : 140Hz
Re : 7.7 ohm
Qts : 0.92
Qms : 3.77
Qes : 1.2
Vas : 1.03 L
Xmax : 0.4mm (0.016 in)
no : 0.22%

Frequency Response / Impedance

110
100

90
80
70
60
50

(dB)

20 50 100 200 500

Hz

Impedance

1k

2k 5k

Dimensions & Mounting Information

R43

4-4 X 6

ø77.4

3.8

ø70

ø53.8

ø75

83

10k

Ω

16

8

4

20k 40k

45.6

21.6