Fostex FE83En User manual

Features
Frequency Response / Impedance
Dimensions & Mounting Information
Overall Diameter :
Bafe Hole Diameter
:
Depth :
mm / in
mm / in
mm / in
Specications
&
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
m2
Ω
Hz
Ω
mH
g
Telsa/m
L
mm
%
m/N
FULL RANGE SPEAKER UNIT
FE83En
• 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 reex type enclosures
to folded horn enclosures.
80 3
16 0.6
Cast
8
30
88
5
7
Ferrite
140 0.309
350 0.772
30
60
0.00283
8
165
7.5
0.0267
4.06
1.057
0.84
1.53
3.35
0.7
0.15
0.284
0.622
156.1
83 3.3
73 2.9
44 1.7
83
φ75
φ60
φ70
217.8
45.3
φ86
4-4x6

Recommended Double Bass Reex Type Enclosure
• This example shows a double bass reex type enclosure for FE83En.
• The multiple bass reex ports reproduce lower frequency.
• The rst port ‘Fb’ is tuned to 127Hz and second port to 60Hz.
• Balanced low frequency tuning for high power handling.
unit:mm / 15mm thick
70
450
50
80
140
(170)
50
40
(70)
140
15
(265) 35
35
40
270
300
305
170
15
¿72
Sound
Absorbents
5
1
6
2
2
7
3
8
4
9
22
3
70
51
6
2
7
3
8
4
9
2
3
2 3
2
3
305 305
450
140
140
270
140
140
80 80 40 40
35
35
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 :[phone] Fax:[phone]
Example of FE83En
standard bass reex
type enclosure.
Internal volume is
6 liters tuned to ap-
proximately 90Hz
(Fb).
Recommended Standard Bass Reex Type Enclosure
unit:mm / 15mm thick
(190)
160
ø72
ø40
(190)
50
(300)
270
65130
160
Printed in China 499987