Fostex FE206En User manual
Features
Frequency Response / Impedance
Dimensions & Mounting Information
Specications
&
Thiele/Small Parameters
a :
D:
Sd :
Zn :
Fs :
Re :
Le :
Qms :
Qes :
Qts :
Mms :
BL :
Vas :
Xmax :
Eff/η0 :
Cms :
EBP :
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
mm
m2
Ω
Hz
Ω
mH
g
Telsa/m
L
mm
%
m/N
Overall Diameter :
Bafe Hole Diameter
:
Depth :
mm / in
mm / in
mm / in
mm / in
mm / in
Ω
kHz
dB/W(m)
W
W
g / lb
g / lb
g / lb
FE206En
FULL RANGE SPEAKER UNIT
208 8.2
185 7.3
87.9 3.5
200 7.9
35 1.4
Stamped
8
20
96
30
90
Ferrite
1,067 2.352
n/a n/a
3,200 7.055
• 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.
• ø146mm strong ferrite magnet is em-
ployed.
• Well tuned Qts / Mms values for ease of
use in the back loaded horn enclosure.
81
162
0.0206
8
45
6.8
0.0525
4.57
0.194
0.19
12.2
10.65
70.99
0.8
2.68
1.172
231.96
φ220
4-φ5
208
φ182
87.9
48 3.5
φ145
Recommended Back Loaded Horn Type Enclosure
• This example shows a ‘back
loaded horn’ type enclosure for
FE206En.
• FE206En’s magnetic circuit with
ø146mm large ferrite magnet
provides sharper resonance and
makes the unit suitable for a back
loaded horn type enclosure.
• 21mm thick plywood is used for
main section and side panels to
ensure a strong enclosure.
• Two way system using super
tweeter T90A is also recom-
mended.
FE206E
T90A
Capacitor0.68- 0.33 F
20 50 100 200 500 1000 2k 5k 10k 20k
50
60
70
80
90
100
110
(dB)
Hz
14
15
16
17
18
522
440
220
50
290
275
50
120
47 40
50
100 100 100 100 100 100 100
100
450
100
125 150
50
100 100 100
255
160
74 52 87 (111)
250
313
408
42
42
219
50
5
1
2
3
4
6
7
8
9
10
11
12
13
19
20
21
22
23
24
25
26
27
28
29
30 31 32
33
145
900
21 21
350
392
300
( 22 )
200
35 36
Bass Reex Type Enclosure
• FE206En is designed for use in a back load-
ed horn type enclosure and it is generally
unsuitable for bass reex because of its over
damping sound characteristics. However, it
is possible to use the FE206En in a bass re-
ex enclosure as shown.
• This example is a narrow and tall style bass
reex type enclosure. Internal volume of 45
liters tuned to approximately 50Hz (Fb).
• Low frequency response from around 120Hz
is gently damped with a controlled peak at
50 - 60Hz.
Sound
Absorbents
Sound
Absorbents
Sands
Sands
• This example has sufficient internal volume. However, if you prefer ‘tighter’
sound reproduction, you can reduce airspace using sands or other ll material.
• Placing thin sound absorbent material as shown enable reduction of peaks & dips
around 150 to 400Hz band width. However, it may reduce transient response. You
should adjust it to your taste.
• In order to avoid unwanted mid/high frequency dispersion of the horn, we recom-
mend damping the enclosure with ller and sound absorption material.
180
180
300
264
400
75
786
240
276
ø185
ø80
600
200
750
unit : mm
180
180
300
264
400
75
786
240
276
ø185
ø80
600
200
750
unit : mm
392 392
858
900350 350
80 80
450
450
450 350 80
408
290
290
80
50
1
2
3
4
5
6
78
9
10
11
13
14
15161718
20 21 2223
24 25
27
28
29
12
19
26
30
31
32
33
35
36
*Italic font means part number.
3005222001504-1004-50
440
290
275
255250
219
150
150
150
150
780780
74
40
350
350 100
50
160
219
313
100 220
80
145
145
1
18
28
10
21
24 23
25
3
17 16 15
14 13
7 5 8
6
20 22 29 4
27
9
2
11
392 392
858
900350 350
80 80
450
450
450 350 80
408
290
290
80
50
1
2
3
4
5
6
78
9
10
11
13
14
15161718
20 21 2223
24 25
27
28
29
12
19
26
30
31
32
33
35
36
*Italic font means part number.
3005222001504-1004-50
440
290
275
255250
219
150
150
150
150
780780
74
40
350
350 100
50
160
219
313
100 220
80
145
145
1
18
28
10
21
24 23
25
3
17 16 15
14 13
7 5 8
6
20 22 29 4
27
9
2
11
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 apan 196-0 021
Tel :+81(0) 42-546-497 4 Fax:+8 1(0)42 -546 -9222
Printed in China 500134
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