Neumann.Berlin KH 310 User manual

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)
r2
r1
tdel = 30 s * (r2-r1)
ref
Small near-field systems:
rmax = 4 m (12')
rtypical = 1 - 2 m (3 - 6')
rmin = 0.75 m (2.5')
rdiff
Large mid-field systems:
rmax = 8 m (24')
rtypical = 2 - 4 m (6 - 12')
rmin = 1.5 m (5')
Delays:
rdiff tdel
5 cm (2") 150 s
10 cm (4') 300 s
20cm (8') 600 s
50cm (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, d1,d2,d3
Keep back wall distance as
long as possible, d4
d1d1
d2
d3
d4
d2
d3
C
L
Lb
Ls
R
Rb
Rs
C
L
Ls
R
Rs
C
L
Ls
R
Rs
C
L
Ls
R
Rs
GEORG NEUMANN GMBH · LEIPZIGER STR. 112 · 10117 BERLIN · GERMANY09/14 · 549112/A02
TEL +49 (0)30 / 41 77 24 -0 · FAX -50 · [e-mail] · WWW.NEUMANN.COM

Getting Started Quickly
Free standing
In a corner
Acoustical controls
Against a wall Bass = -5 dB
Bass = -2.5 dB
Bass = -7.5 dB
Low-Mid = -1.5 dB
Solid:
Soft:
Near a desktop Low-Mid = -1.5 dB
Low-Mid = -3 dB
Small:
Large:
Treble = -1 dB
Bass = -2.5 dB
All 0dB
Live:
Dead:
Not recommended cabinet
orientation, except for fixed
listening positions
Recommended cabinet
orientation for a wide
usable listening area
Acoustical axis and cabinet orientation
Use acoustical axis
as a reference point
Distance from the wall
fn
Full Range Loudspeakers
Bass Managed Loudspeakers
Avoid dwall = 0.8 – 2.0m
Avoid dwall = 0.8 – 1.0m
Subwoofers Avoid dwall = >0.8 m
dwall
dwall
Vertical plane: Point the loudspeakers at the listening position.
Avoid objects between the loudspeaker and listening position.
Arranging the desktop: uncluttered and symmetrical Avoid reflections for a smooth midrange
x cm
y
cm
Sub