
Features
φ126
4-φ5
117
φ102.2
φ100
61
32 2.6
• 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.
• ø100mm strong ferrite magnet is em-
ployed.
• Well tuned Qts / Mms values for ease of
use in the back loaded horn enclosure.
Specications
&
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
440 0.970
n/a n/a
990 2.183
mm / in
120 4.7
20
Stamped
8
25
93
15
45
Ferrite
0.8
mm / in
Ω
kHz
dB/W(m)
W
W
g / lb
g / lb
g / lb
FULL RANGE SPEAKER UNIT
FE126En
Frequency Response / Impedance
Sd :
Zn :
Fs :
Re :
Le :
Qms :
Qes :
Qts :
Mms :
BL :
Vas :
Xmax :
Eff/η0 :
Cms :
EBP :
a :
D:
46
92
0.0065
83
7.2
0.035
4.8
0.33
0.3
2.8
5.63
8.5
0.35
1.36
1.35
251.52
mm
mm
m
Ω
8
Hz
Ω
mH
g
Telsa/m
L
mm
%
m/N
Dimensions & Mounting Information
2
Overall Diameter :
Bafe Hole Diameter
:
Depth :
117 4.6
mm / in
104 4.1
mm / in
61 2.4
mm / in

Distributor / Authorised Dealer
www.fostex.jp
In accordance with our policy of continuous development, we reserve the right to change specifica tions without notice.
Fostex Co. ,3-2- 35 Musa shino, Akishima,T okyo,J apa n 196-0 021
Tel :+81(0) 42-546-497 4 Fax:+8 1(0)42 -546-92 22
Unique Back Loaded Horn + Bass Reex Hybrid Enclosure
150
180
265
50 75
ø50
ø105
295
115
295
a
b
c
d
a
b
c
d
Width Length
150
150
150
295
265
265
295
295
QTY
2
2
2
4
*Listed boards are for a pair.
unit:mm / 15mm thick
115
152
192
262
59
118
172
226
345
92
405
150
65
165
219
64
133
115
24
150
180
100
600
ø104
a
b
c
d
e
f
ø30
g
h
i
j
*Listed length is including
cut part.
Cut
length
a
b
c
d
e
f
Width
Length
150
150
150
150
150
150
343
367
383
135
226
349
150
150
150
405
585
345
345 600
j
g
h
i
QTY
2
2
2
2
2
2
2
2
2
4
*Listed boards are for a pair.
unit:mm / 15mm thick
• Sho wn i s a n ex a mp le o f a
FE126En back l o a ded horn +
Recommended Standard Bass Reex Type Enclosure
bass reex hybrid enclosure.
• H o rn f requ ecny is tu ned at
100Hz and bass reflex ‘Fb’ at
55Hz.
• Employing the bass reex port
in the back cavity, this setting re-
alizes the extended low frequen-
cy while the dip with the char-
acteristic of back loaded horn is
reduced.
Example of FE126En standard bass reex type enclosure.
Internal volume is 10.5 liters tuned to approximately 61Hz (Fb).
Printed in China 499986