Fostex FE103En Specifications

Features
• ES cone and center cap are adapted.
This new diaphragm material has the
fine, supple and high density fiber, and
its characteristics successfully improve
the mid-high frequency reproduction.
• ø 80mm strong ferrite magnet is em-
ployed.
• Well tuned Qts / Mms values for ease of
use in small bass reflex type enclosures
to folded horn enclosures.

Specifications

&
Thiele/Small Parameters
Size :
100
Voice Coil Diameter
20
:
Cast / Stamped :
Impedance :
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
89
Rated Input :
Music Power :
Magnet Material :
Magnet Weight
(main) :
193
(cancel) :
580
Net Weight
a :
D:
0.005
Sd :
Zn :
Fs :
Re :
0.0398
Le :
Qms : 2.747
Qes :
0.377
0.33
Qts :
Mms : 2.55
BL :
4.99
Vas : 5.95
Xmax :
0.72
Eff/ η 0 :
1.65
Cms :
220.16
EBP :
mm / in
3.9
0.8 Frequency Response / Impedance
mm / in
Stamped
8
Ω
kHz
22
dB/W(m)
5
W
15
W
Ferrite
g / lb
0.425
g / lb
1.279
g / lb
Dimensions & Mounting Information
mm
40
80
mm
m
2
8
Ω
Hz
83
7.5 Ω
mH
g
Telsa/m
L
0.6
mm
%
m/N
FULL RANGE SPEAKER UNIT
FE103En
φ115
4-5x7
Overall Diameter :
Baffle Hole Diameter
Depth
107
φ92
φ80
mm / in
107 4.2
: 93 mm / 3.7 in
: 45.5 mm / 1.8 in