To main tain uniform fre quen cy bal-
ance in dif fer ing acoustic en vi ron ments,
three special cal i brat ed control groups
are in clud ed in the active cross over net-
work: treble and bass 'tilt' and bass 'roll-
off' switch es, which make ad just ments
in 2 dB steps. The system input is a bal-
anced XLR, with ad just able sensitivity,
to allow easy signal matching with the
mix ing con sole out put.
Options
Order code
Opt-04 Wall mount
1030-404V
1030-404H
Opt-05 Floor stand
1030-405V
Opt-09 Grille
1030-409
Figure 4
: The curves above show the effect of the ‘bass tilt’, ‘treble tilt’ and ‘bass roll-off’ level controls
on the free field response.
Figure 2
: Block diagram
of the 1030A
Figure 1
: The location of the acoustical axis of
the 1030A in horizontal and vertical configura-
tion
Figure 3
: The upper curve group shows the horizontal directivity characteristics of the 1030A in its
vertical configuration measured at 1 m. The lower curve is a 1/3 octave power response.
240 mm
312 mm
200 mm
200 mm
100 mm
> 0,7
m
> 0,7
m
� � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � � �
� � � � � � � � � � � � � � �
AUDIO PRECISION 1030anec
vs
14 JAN 94 12:34:40
55
60
65
70
75
80
85
90
90
95
95
100
100
LEVEL(dBr)
20
100
1k
10k
20k
FREQ(Hz)
0
15
30
45
AUDIO PRECISION 1030anec
vs
14 JAN 94 12:09:56
50
55
60
65
70
75
80
85
90
95
100
LEVEL(dBr)
20
100
1k
10k
20k
FREQ(Hz)
TREBLE TILT
BASS ROLL-OFF
BASS TILT
