Fostex FE108E User Manual
Fe108e, Specifications & thiele/small parameters, Full range speaker unit
Features
Frequency Response / Impedance
Dimensions & Mounting Information
Overall Diameter :
Baffle Hole Diameter
:
Depth
:
mm /
in
mm /
in
mm /
in
Specifications
&
Thiele/Small Parameters
Size
:
Voice Coil Diameter
:
Cast / Stamped
:
Impedance
:
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input
:
Music Power
:
Magnet Material
:
Magnet Weight
(main)
:
(cancel)
:
Net Weight
mm /
in
mm /
in
Ω
kHz
dB/W(m)
W
W
g /
lb
g /
lb
g /
lb
a :
D :
Sd :
Zn :
Fs :
Re :
Le :
Qms :
Qes :
Qts :
Mms :
BL :
Vas :
Xmax :
Eff/
η0 :
Cms :
EBP :
mm
mm
m
2
Ω
Hz
Ω
mH
g
Telsa/m
L
mm
%
mm/N
FULL RANGE SPEAKER UNIT
FE108E
100
4
20
0.8
Cast
8
23
90
8
24
Ferrite
400
0.882
1,200
2.646
128
5.1
102
4.1
65
2.6
• HP (Hyperbolic Paraboloid)
shell diaphragm
• ‘ES cone’ paper made of ba-
nana plant’s fiber
• UDR tangiential edge / damper
• ø 90mm large ferrite magnet
40
69.2
0.005
8
77
6.8
0.038
7.79
0.32
0.3
2.7
5.2
5.7
0.28
0.78
1.59
240.63
20
50
100
200
500
1k
2k
5k
10k
20k
40k
50
60
70
80
90
100
110
(dB)
Hz
16
8
4
ш128
ш99
ш90
29.5
7.5
(65)
15
27
RED MARKING
+TERMINAL
ш115
8-ш5 hole