Fostex Portable Speaker FE83E User Manual

FULL RANGE SPEAKER UNIT  
FE83E  
Features  
• ‘ES cone’ paper made of ba-  
nana plant’s fiber  
• Newly designed center cap  
• Ferrite magnet  
Specifications  
&
Thiele/Small Parameters  
80  
3
Size  
:
mm /  
mm /  
in  
Voice Coil Diameter  
:
16  
0.6  
in  
Frequency Response / Impedance  
Cast  
Cast / Stamped  
Impedance  
:
:
8
110  
Reproduction Frequency Response  
30  
:fs -  
Sound Pressure Level  
kHz  
100  
90  
80  
70  
60  
50  
88  
:
:
:
:
dB/W(m)  
5
Rated Input  
Music Power  
Magnet Material  
Magnet Weight  
(main)  
W
W
16  
10  
8
4
Ferrite  
(dB)  
140  
360  
0.309  
0.794  
:
:
g /  
g /  
g /  
lb  
lb  
lb  
20 Hz  
50 100 200  
500 1000 2k  
5k 10k 20k 40k  
(cancel)  
Net Weight  
a :  
30 mm  
60 mm  
Dimensions & Mounting Information  
D :  
Sd : 0.00283 m2  
R43  
4-4 x 6  
ø70  
ø60  
Zn :  
8  
127 Hz  
7.87 Ω  
n/a mH  
4.00  
Fs :  
Re :  
ø77.4  
Le :  
Qms :  
Qes :  
0.98  
ø75  
83  
Qts :  
0.79  
Mms :  
BL :  
1.39 g  
2.98 Telsa/m  
1.29 L  
Vas :  
Xmax :  
Eff/η0 :  
0.40 mm  
0.26 %  
Overall Diameter  
:
83 mm / 3.3 in  
Cms : 0.00115 mm/N  
EBP : 130  
Baffle Hole Diameter  
:
70 mm / 2.8 in  
44 mm / 1.7 in  
Depth  
:
 

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