Fostex FE83En 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 60mm 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 :
Voice Coil Diameter
:
Cast / Stamped :
Impedance :
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input :
Music Power :
Magnet Material :
Magnet Weight
(main) :
140
(cancel) :
350
Net Weight
a :
D:
0.00283
Sd :
Zn :
Fs :
Re :
0.0267
Le :
Qms :
Qes : 1.057
Qts :
Mms :
BL :
Vas :
Xmax :
0.284
Eff/ η 0 :
0.622
Cms :
156.1
EBP :
mm / in
80 3
16 0.6 Frequency Response / Impedance
mm / in
Cast
8
Ω
kHz
30
dB/W(m)
88
5
W
7
W
Ferrite
g / lb
0.309
g / lb
0.772
g / lb
Dimensions & Mounting Information
30 mm
60
mm
m
2
8 Ω
165 Hz
7.5
Ω
mH
4.06
0.84
1.53 g
3.35 Telsa/m
0.7
L
0.15
mm
%
m/N
FULL RANGE SPEAKER UNIT
FE83En
φ86
4-4x6
Overall Diameter :
Baffle Hole Diameter
:
Depth :
83
φ75
φ70
φ60
83 mm / 3.3 in
73 mm / 2.9 in
44 mm / 1.7 in