frugal horn com v2 Olson Nagaoka Manifold Horns
frugal horn com v2 Olson Nagaoka Manifold Horns
frugal horn com v2 Olson Nagaoka Manifold Horns
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<strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
<strong>v2</strong> <strong>Olson</strong>/<strong>Nagaoka</strong> <strong>Manifold</strong> <strong>Horns</strong><br />
for Fostex FE126En, FE166En, FE206En<br />
Second generation double-mouth back-<strong>horn</strong>s for Fostex FExx6En series drive units. Kongō, Haruna, and Kirishima.<br />
Default damping: line 5 faces of the driver chamber with 1/2” (12mm) material; cotton / wool felt or similar (open-cell foam is not<br />
re<strong>com</strong>mended), ensuring the throat remains clear. Some loose fill, or lining in throat may be used for fine tuning the upper-corner frequency<br />
(lower midrange output) from the mouths. Please adjust to suit individual space / system / taste.<br />
All of the designs featured on <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong> are made available free for non-<strong>com</strong>mercial use. However, voluntary donations are much<br />
appreciated, as they help us to offset the cost of keeping the site running.<br />
©2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
designed by Scott Lindgren | drawn by dld | 07-april-2012<br />
for non-<strong>com</strong>mercial use only<br />
Drawings:<br />
0/ title/notes<br />
1/ Kongō 3/4” plan<br />
2/ Kongō detail<br />
3/ Haruna 3/4” plan<br />
4/ Haruna detail<br />
5/ Kirishima 3/4” plan<br />
6/ Kirishima detail<br />
7/ Kirishima 18mm plan<br />
8/ Kirishima 18mm detail
438.2<br />
[17 1 4]<br />
457.2<br />
[18]<br />
168.3<br />
[6 5 8]<br />
130.2<br />
[5 1 8]<br />
59°<br />
171.5<br />
[6 3 4]<br />
1828.8<br />
[72]<br />
H<br />
G<br />
F<br />
E<br />
D<br />
C<br />
B<br />
A<br />
298.5<br />
[11 3 4]<br />
88.9 [3 1 2]<br />
1028.7<br />
[40 1 2]<br />
914.4<br />
[36]<br />
axes of<br />
symmetry<br />
285.8<br />
[11 1 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
269.9<br />
[10 5 8]<br />
168.3<br />
[6 5 8]<br />
152.4<br />
[6]<br />
381<br />
[15]<br />
Kongō <strong>Manifold</strong> Horn 0v92<br />
FE126En | 07-april-2012<br />
Sheet 0 – 3/4” plans<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
Notes:<br />
0/ drawn using 3/4” (19mm)<br />
material<br />
1/ you may replace the stacked<br />
corner deflectors with a single<br />
angled piece
171.5<br />
[6 3 4]<br />
438.2<br />
[17 1 4]<br />
H<br />
G<br />
88.9<br />
[3 1 2]<br />
381<br />
[15]<br />
A<br />
B<br />
C<br />
D<br />
E<br />
F<br />
G<br />
H<br />
top/bot<br />
back<br />
baffle<br />
D1<br />
D2<br />
D3<br />
D4<br />
D5<br />
D6<br />
D7<br />
D8<br />
D9<br />
alt def<br />
5 1/8” wide pieces<br />
11<br />
4<br />
10<br />
14<br />
13<br />
6<br />
5<br />
9<br />
17<br />
72<br />
40<br />
10<br />
9<br />
8<br />
6<br />
5<br />
4<br />
3<br />
1<br />
13<br />
3/4<br />
3/4<br />
3/4<br />
5/8<br />
5/8<br />
3/4<br />
1/4<br />
1/2<br />
5/8<br />
3/8<br />
1/8<br />
7/8<br />
5/8<br />
3/8<br />
1/8<br />
7/8<br />
5/8<br />
1/8<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
1 off<br />
1 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
C<br />
E<br />
D<br />
142.9<br />
[5 5 8]<br />
273.1<br />
[10 3 4]<br />
H<br />
G<br />
330.2<br />
[13]<br />
298.5<br />
[11 3 4]<br />
374.7<br />
[14 3 4]<br />
247.7<br />
[9 3 4]<br />
F<br />
B<br />
A<br />
168.3<br />
[6 5 8]<br />
101.6<br />
[4]<br />
44.5<br />
[1 3 4]<br />
114.3<br />
[4 1 2]<br />
E<br />
D<br />
120.7<br />
[4 3 4]<br />
F<br />
50.8 [2]<br />
88.9<br />
[3 1 2]<br />
Kongō <strong>Manifold</strong> Horn 0v92<br />
FE126En | 07-april-2012<br />
Sheet 0 – 3/4” plan details<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
31° 59°<br />
C<br />
38.1 [1 1 2]<br />
44.5 [1 3 4]<br />
B<br />
A<br />
38.1<br />
[1 1 2]<br />
alternate<br />
deflector<br />
333.2<br />
[13 1 8]<br />
31.8<br />
[1 1 4]<br />
57.2 [2 1 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
15.9 [ 5 8]<br />
47.6 [1 7 8]<br />
79.4 [3 1 8]<br />
111.1 [4 3 8]<br />
142.9 [5 5 8]<br />
174.6 [6 7 8]<br />
206.4 [8 1 8]<br />
238.1 [9 3 8]<br />
269.9 [10 5 8]<br />
deflector<br />
steps
450.9<br />
[17 3 4]<br />
469.9<br />
[18 1 2]<br />
266.7<br />
[10 1 2] 228.6<br />
[9]<br />
59°<br />
171.5<br />
[6 3 4]<br />
1828.8<br />
[72]<br />
H<br />
G<br />
F<br />
E<br />
D<br />
C<br />
B<br />
A<br />
298.5<br />
[11 3 4]<br />
88.9 [3 1 2]<br />
1028.7<br />
[40 1 2]<br />
914.4<br />
[36]<br />
axes of<br />
symmetry<br />
298.5<br />
[11 3 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
282.6<br />
[11 1 8]<br />
168.3<br />
[6 5 8]<br />
152.4<br />
[6]<br />
381<br />
[15]<br />
Haruna <strong>Manifold</strong> Horn 0v93<br />
FE166En | 07-april-2012<br />
Sheet 0 – 3/4” plans<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
Notes:<br />
0/ drawn using 3/4” (19mm)<br />
material<br />
1/ you may replace the<br />
stacked corner deflectors<br />
with a single angled piece
184.2<br />
[7 1 4]<br />
450.9<br />
[17 3 4]<br />
H<br />
G<br />
88.9<br />
[3 1 2]<br />
381<br />
[15]<br />
A<br />
B<br />
C<br />
D<br />
E<br />
F<br />
G<br />
H<br />
top/bot<br />
back<br />
baffle<br />
D1<br />
D2<br />
D3<br />
D4<br />
D5<br />
D6<br />
D7<br />
D8<br />
D9<br />
alt def<br />
9” wide pieces<br />
12<br />
4<br />
11<br />
15<br />
13<br />
6<br />
5<br />
9<br />
17<br />
72<br />
40<br />
11<br />
9<br />
8<br />
7<br />
6<br />
5<br />
3<br />
2<br />
1<br />
13<br />
1/4<br />
1/4<br />
1/4<br />
1/2<br />
5/8<br />
3/8<br />
3/4<br />
3/4<br />
1/2<br />
1/8<br />
7/8<br />
5/8<br />
3/8<br />
1/8<br />
5/8<br />
3/8<br />
1/8<br />
11/16<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
1 off<br />
1 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
136.5<br />
[5 3 8]<br />
285.8<br />
[11 1 4]<br />
H<br />
G<br />
342.9<br />
[13 1 2]<br />
311.2<br />
[12 1 4]<br />
387.4<br />
[15 1 4]<br />
C<br />
247.7<br />
[9 3 4]<br />
F<br />
E<br />
D<br />
B<br />
A<br />
168.3<br />
[6 5 8]<br />
101.6<br />
[4]<br />
44.5<br />
[1 3 4]<br />
120.7<br />
[4 3 4]<br />
38.1 [1 1 2]<br />
44.5 [1 3 4]<br />
120.7<br />
[4 3 4]<br />
C<br />
F<br />
E<br />
50.8 [2]<br />
D<br />
B<br />
A<br />
88.9<br />
[3 1 2]<br />
38.1<br />
[1 1 2]<br />
Haruna <strong>Manifold</strong> Horn 0v93<br />
FE166En | 07-april-2012<br />
Sheet 0 – 3/4” plan details<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
alternate<br />
deflector<br />
31°<br />
348<br />
[13 11 16]<br />
59°<br />
31.8<br />
[1 1 4]<br />
57.2 [2 1 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
28.6 [1 1 8]<br />
60.3 [2 3 8]<br />
92.1 [3 5 8]<br />
127.3 [5]<br />
155.6 [6 1 8]<br />
187.3 [7 3 8]<br />
219.1 [8 5 8]<br />
250.8 [9 7 8]<br />
282.6 [11 1 8]<br />
deflector<br />
steps
457.2<br />
[18]<br />
476.3<br />
[18 3 4]<br />
336.6<br />
[13 1 4]<br />
298.5<br />
[11 3 4]<br />
59°<br />
171.5<br />
[6 3 4]<br />
1828.8<br />
[72]<br />
H<br />
G<br />
F<br />
E<br />
D<br />
C<br />
B<br />
A<br />
298.5<br />
[11 3 4]<br />
88.9 [3 1 2]<br />
1028.7<br />
[40 1 2]<br />
914.4<br />
[36]<br />
axes of<br />
symmetry<br />
298.5<br />
[11 3 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
282.6<br />
[11 1 8]<br />
168.3<br />
[6 5 8]<br />
152.4<br />
[6]<br />
381<br />
[15] Kirishima <strong>Manifold</strong> Horn 0v92<br />
FE206En | 07-april-2012<br />
Sheet 0 – 3/4” plans<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
Notes:<br />
0/ drawn using 3/4” (19mm)<br />
material<br />
1/ you may replace the stacked<br />
corner deflectors with a single<br />
angled piece
190.5<br />
[7 1 2]<br />
457.2<br />
[18]<br />
59°<br />
H<br />
G<br />
88.9<br />
[3 1 2]<br />
381<br />
[15]<br />
A<br />
B<br />
C<br />
D<br />
E<br />
F<br />
G<br />
H<br />
top/bot<br />
back<br />
baffle<br />
D1<br />
D2<br />
D3<br />
D4<br />
D5<br />
D6<br />
D7<br />
D8<br />
D9<br />
alt def<br />
11 1/4” wide pieces<br />
12<br />
4<br />
11<br />
15<br />
13<br />
6<br />
5<br />
9<br />
18<br />
72<br />
40<br />
11<br />
10<br />
8<br />
7<br />
6<br />
5<br />
3<br />
2<br />
1<br />
14<br />
1/2<br />
1/2<br />
1/2<br />
3/4<br />
5/8<br />
3/8<br />
3/4<br />
1/2<br />
3/8<br />
1/8<br />
7/8<br />
5/8<br />
3/8<br />
1/8<br />
7/8<br />
5/8<br />
1/8<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
1 off<br />
1 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
136.5<br />
[5 3 8]<br />
292.1<br />
[11 1 2]<br />
349.3<br />
[13 3 4]<br />
H<br />
G<br />
317.5<br />
[12 1 2]<br />
393.7<br />
[15 1 2]<br />
C<br />
247.7<br />
[9 3 4]<br />
F<br />
E<br />
D<br />
B<br />
A<br />
168.3<br />
[6 5 8]<br />
101.6<br />
[4]<br />
44.5<br />
[1 3 4]<br />
120.7<br />
[4 3 4]<br />
38.1 [1 1 2]<br />
44.5 [1 3 4]<br />
120.7<br />
[4 3 4]<br />
C<br />
F<br />
E<br />
50.8 [2]<br />
D<br />
B<br />
A<br />
88.9<br />
[3 1 2]<br />
38.1<br />
[1 1 2]<br />
Kirishima <strong>Manifold</strong> Horn 0v92<br />
FE206En | 07-april-2012<br />
Sheet 0 – 3/4” plan details<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
alternate<br />
deflector<br />
31° 59°<br />
355.5<br />
[14]<br />
31.8<br />
[1 1 4]<br />
57.2 [2 1 4]<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
34.9 [1 3 8]<br />
66.7 [2 5 8]<br />
98.4 [3 7 8]<br />
133.6 [5 1 4]<br />
161.9 [6 3 8]<br />
193.7 [7 5 8]<br />
225.4 [8 7 8]<br />
257.2 [10 1 8]<br />
288.9 [11 3 8]<br />
deflector<br />
steps
456<br />
[17 15 16]<br />
474<br />
[18 21 32]<br />
335<br />
[13 3 16]<br />
299<br />
[11 25 32]<br />
59°<br />
180<br />
[7 3 32]<br />
1819<br />
[71 5 8]<br />
H<br />
G<br />
F<br />
E<br />
D<br />
C<br />
B<br />
A<br />
293<br />
[11 17 32]<br />
89 [3 1 2]<br />
C<br />
1021<br />
[40 3 16]<br />
909.5<br />
[35 13 16]<br />
axes of<br />
symmetry<br />
290<br />
[11 13 32]<br />
183<br />
[7 3 16]<br />
D10<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
290<br />
[11 13 32]<br />
166<br />
[6 17 32]<br />
151<br />
[5 31 32]<br />
381<br />
[15]<br />
Kirishima <strong>Manifold</strong> Horn 0v92<br />
FE206En | 07-april-2012<br />
Sheet 0 – 18mm plans<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
Notes:<br />
0/ drawn using 18mm (19mm)<br />
material<br />
1/ you may replace the stacked<br />
corner deflectors with a single<br />
angled piece
192<br />
[7 9 16]<br />
456<br />
[17 15 16]<br />
H<br />
G<br />
89<br />
[3 1 2]<br />
381<br />
[15]<br />
A<br />
B<br />
C<br />
D<br />
E<br />
F<br />
G<br />
H<br />
top/bot<br />
back<br />
baffle<br />
D1<br />
D2<br />
D3<br />
D4<br />
D5<br />
D6<br />
D7<br />
D8<br />
D9<br />
D10<br />
alt def<br />
299mm wide pieces<br />
320<br />
100<br />
293<br />
394<br />
349<br />
170<br />
138<br />
246<br />
456<br />
1819<br />
1021<br />
290<br />
260<br />
230<br />
200<br />
170<br />
140<br />
110<br />
80<br />
50<br />
20<br />
356<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
1 off<br />
1 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
2 off<br />
138<br />
[5 7 16]<br />
349<br />
[13 3 4]<br />
293<br />
[11 17 32]<br />
H<br />
G<br />
320<br />
[12 19 32]<br />
394<br />
[15 1 2]<br />
C<br />
246<br />
[9 11 16]<br />
F<br />
E<br />
D<br />
B<br />
A<br />
170<br />
[6 11 16]<br />
100<br />
[3 15 16]<br />
44<br />
[1 23 32]<br />
29<br />
[1 5 32]<br />
121<br />
[4 3 4]<br />
38 [1 1 2]<br />
44 [1 23 32]<br />
C<br />
121<br />
[4 3 4]<br />
C<br />
51 [2]<br />
F<br />
E<br />
D<br />
B<br />
A<br />
57 [2 1 4]<br />
89<br />
[3 1 2]<br />
38<br />
[1 1 2]<br />
D10<br />
D9<br />
D8<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
20 [ 25 32]<br />
50 [1 31 32]<br />
80 [3 5 32]<br />
110 [4 11 32]<br />
140 [5 1 2]<br />
170 [6 11 16]<br />
200 [7 7 8]<br />
230 [9 1 16]<br />
260 [10 1 4]<br />
290 [11 13 32]<br />
Kirishima <strong>Manifold</strong> Horn 0v92<br />
FE206En | 07-april-2012<br />
Sheet 0 – 18mm plan details<br />
designed by Scott Lindgren | drawn by dld<br />
© 2007-2012 <strong>frugal</strong>-<strong>horn</strong>.<strong>com</strong><br />
free for non-<strong>com</strong>mercial use only<br />
alternate<br />
deflector<br />
deflector<br />
steps<br />
31° 59°<br />
355.5<br />
[14]
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