KH 310 D
Getting Started Quickly
0°
-110°
-30°
-120°
-100°
110°
30°
120°
100°
Place the loudspeakers at the correct angle
(ITU-R BS.775-1)
Place the loudspeakers at the same distance
r
For 2-channel stereo use ±30°
Delay closer loudspeakers by 30 s/cm
(76
s/inch)
Use the furthest loudspeaker as a reference
0°
-30°
-150°
-90°
30°
150°
90°
For 7.1 high definition systems
(no international standards)
r
2
r
1
t
del
= 30 s * (r
2
-r
1
)
ref
Small near-field systems:
r
max
= 4 m (12')
r
typical
= 1 - 2 m (3 - 6')
r
min
= 0.75 m (2.5')
r
diff
Large mid-field systems:
r
max
= 8 m (24')
r
typical
= 2 - 4 m (6 - 12')
r
min
= 1.5 m (5')
Delays:
r
diff
t
del
5 cm (2") 150 s
10 cm (4') 300
s
20 cm (8') 600
s
50 cm (20") 1.5 ms
1 m (3') 3 ms
Listening
position
Horizontal: Point loudspeakers at listening position
Use the acoustical axis as a reference
Symmetrical loudspeaker and object placement in the
room improves stereo imaging, d
1
,d
2
,d
3
Keep back wall distance as
long as possible, d
4
d
1
d
1
d
2
d
3
d
4
d
2
d
3
C
L
Lb
Ls
R
Rb
Rs
C
L
Ls
R
Rs
C
L
Ls
R
Rs
C
L
Ls
R
Rs
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TEL +49 (0)30 / 41 77 24 -0 · FAX -50 · HEADOFFICE@NEUMANN.COM · WWW.NEUMANN.COM
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