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Back Loaded Horn Type Enclosure
It is an example of the FE103-Sol mounted into a back loaded horn type enclosure.
This consists of main body and stand part separated and the bottom lateral surface
and back surface are horn open mouth. Follow the assembly instruction and add
reinforcing beam to top, bottom and back board first. Before bonding them, draw
the positioning line on the side board #2, so that you can place the board #9, #10
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order not to create any gap or hollow at the joint area. Insert the sound absorbing
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Enclosure design value
Air chamber
2.5 L
Throat area
43 m
2
Horn opening area
313 m
Horn length
175 cm
Horn cross-over freq.
170 Hz
Cut-off freq.
30 Hz
Expansion factor
1.12
Completion drawing
Main
Body
Stand
Section
Assembly drawing
Main Body
Materials used
Japanese lime tree
plywood: 910 x 1800 t12
MDF: 910 x 910 t12
2
Terminal: T150B
Absorbing material:
Felt, wool
Assembly sequence
Main Body
A: (1 + 8) + (4 + 13 + 13) + 2
B: A + (3 + 20 + 12) + (5 + 12)
C: B + (9 + 10) + 7 + (11 + 20)
D: (C + 2) + 6
Stand Section
E: 18 + 18
F: (14 + 15 + 15) + 19
G: 17 + 16 + 16
H: (F + G) + E
Bottom Board
Freq. response
1 pc.
Board dimensions (1 pc.)
1 pc.
No.
2 pcs.
1
Baffle board
Adequate
2
Side board
dose
3
Top board
4
Bottom board
5
Back board
6
Bottom Reinforcing board
7
Cavity Board
8
Road 1
9
Road 2
10
Road 3
11
Road 4
12
Reinforcing Bar 1
13
Reinforcing Bar 2
14
Stand Baffle
15
Stand Support Post
16
Stand Side Board
17
Stand Rear Board
18
Stand Bottom Board
19
Partition Board
20
Reinforcing Bar 3
Top Board
Stand Section
hole
Board cutting drawing
(FE103-Sol 8 w/back loaded horn enclosure)
IMPEDANCE
Name
Dimensions
136 x 650
305 x 50
136 x 293
136 x 115
136 x 638
135 x 72
136 x 283
136 x 200
136 x 309
136 x 144
136 x 537
136 x 30
136 x 12
160 x 200
200 x 30
239 x 150
160 x 150
335 x 200
239 x 150
136 x Unused
Material
Qty.
Plywood
1
Plywood
1
Plywood
1
Plywood
1
Plywood
1
MDF
1
MDF
1
MDF
1
MDF
1
MDF
1
MDF
1
Plywood
2
MDF
2
Plywood
1
Plywood
2
Plywood
2
Plywood
1
MDF
2
MDF
1
Plywood
2
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