Getting Started Quickly
Place the loudspeakers at the correct angle
(ITU-R BS.775-1)
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0° |
-30° |
30° |
-100° |
100° |
-110° |
110° |
-120° |
120° |
For 2-channel stereo use ±30°
Place the loudspeakers at the same distance
r
Listening 
position
Small neareld systems:
rmax = 4 m (12') rtypical = 1 - 2 m (3 - 6') rmin = 0.75 m (2.5')
For 7.1 high de nition systems
(no international standards)
0°
-30° |
30° |
-90° 
90°
-150 |
150° |
Delay closer loudspeakers by 30µs/cm (76 µs/inch) Use the furthest loudspeaker a reference
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tdel = 30 µs * (r2-r1) |
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rdi |
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r1 |
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Delays: |
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r2 |
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rdi |
tdel |
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ref |
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5 cm (2") |
150 µs |
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10 cm (4") |
300 µs |
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20 cm (8") |
600 µs |
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50 cm (20") |
1.5 ms |
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1 m (3') |
3 ms |
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Horizontal: Point loudspeakers at listening position
Use the acoustical axis as a reference
GEORG NEUMANN GMBH · LEIPZIGER STR. 112 · 10117 BERLIN · GERMANY
TEL +49 (0)30 / 41 77 24 -0 · FAX -50 · HEADOFFICE@NEUMANN.COM · WWW.NEUMANN.COM
Symmetrical loudspeaker and object placement in the room improves stereo imaging, d1,d2,d3
d1 |
d1 |
d2 |
d2 |
d3 |
d3 |
Keep back wall distance as |
d4 |
long as possible, d4 |
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09/14 · 540493/A02
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