FE83E - Madisound

FULL RANGE SPEAKER UNIT
FE83E
Features
• ‘ES cone’ paper made of
banaba plant’s fiber
• Newly designed center cap
• Ferrite magnet
Specifications
&
Thiele/Small Parameters
Size : 80 mm / 3
Voice Coil Diameter
: 16 mm / 0.6
Cast / Stamped : Cast
Impedance : 8 Ω
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input :
Music Power :
Magnet Material :
Magnet Weight
(main) :
(cancel) :
Net Weight
20
88
5
10
kHz
dB/W(m)
W
W
Ferrite
in
in
140 g / 0.309 lb
g / lb
360 g / 0.794 lb
Frequency Response / Impedance
110
100
90
80
70
60
50
(dB)
4
20 Hz 50 100 200 500 1000 2k 5k 10k 20k 40k
Ω
16
8
a :
D :
Sd :
Zn :
Fs :
Re :
Le :
Qms :
Qes :
Qts :
Mms :
BL :
Vas :
Xmax :
Eff/η0 :
Cms :
EBP :
30 mm
60 mm
0.00283 m 2
8 Ω
127 Hz
7.87 Ω
n/a mH
4.00
0.98
0.79
1.39 g
2.98 Telsa/m
1.29 L
0.40 mm
0.29 %
0.0012 mm/N
129.59
Dimensions & Mounting Information
ø77.4
R43
4-4 x 6
3.8
Overall Diameter :
Baffle Hole Diameter
:
Depth :
ø70
ø60
ø75
83
21.6
83 mm / 3.3 in
70 mm / 2.8 in
44 mm / 1.7 in
44

RECOMMENDED ENCLOSURE
FE83E
Recommended Double Bass Reflex Type Enclosure
6
4
2 2 3
ø72
1
170
70
140
8
9
15
40
5
450
50
35
(70)
(265)
35
2
3
2
Sound
Absorbents
70
50
80
140
40
15
270
300
7
(170)
unit:mm / 15mm thick
305
• This example shows a double bass reflex type enclosure for FE83E.
• The multiple bass reflex ports reproduce lower frequency.
• The first port is tuned ‘Fb’ to 127Hz and second port to 60Hz.
• Avoid too low a tuning frequency to maintain good power handling.
Recommended Standard Bass Reflex Type Enclosure
140
140
270
4
6
80 80 40 40
2 2 3 3
2 2 3 3
7
35
35
Example of FE83E
standard bass reflex
type enclosure. Internal
volume is 6 li-
(190)
160
ø72
65
(190)
160
8
9
1
5
ters tuned to ap-
(300)
270
130
proximately 90Hz
450
(Fb).
ø40
unit:mm / 15mm thick
50
305 305
140
140