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Verfügbare Sprachen
OPERATION MANUAL
I
NTRODUCTION
Congratulations on your purchase of a dbx graphic equalizer. All dbx graphic equalizers are high performance
multi-functional units designed to deliver all the flexibility and power that professional users demand. We recom-
mend that you take a moment to read through this operation manual. It provides information that will assist you
from system set-up to EQ applications. The 12 Series Equalizers include the following features:
I
NSPECTION
Verify that the equalizer's package contains the following:
If any of these items are missing please contact dbx customer service at the number provided on the back cover of
this manual.
O
C
PERATING
1231 - dual channel 31 band graphic equalizer
-10
0
+10
+18
+6
OUTPUT
LEVEL (dBu)
CLIP
+/-15
0
+/-6
0
-12
+12
dB
EQ
INPUT
LOW
RANGE
BYPASS
GAIN
CUT
-6
-10
0
+10
+18
+6
OUTPUT
LEVEL (dBu)
CLIP
+/-15
0
+/-6
0
-12
+12
dB
EQ
INPUT
LOW
RANGE
BYPASS
GAIN
CUT
-6
85-XXXX-X 1231 FRONT ART 7-12-99
-10
0
+10
+18
+6
OUTPUT
LEVEL (dBu)
CLIP
+/-15
0
+/-6
-12
+12
dB
EQ
INPUT
LOW
RANGE
BYPASS
GAIN
CUT
-6
85-XXXX-A0 1215 FRONT ART 7-15-99
2
ONTROLS
20
25
31.5
40
50
63
80
100
125
160
200
25
40
63
100
160
250
400
630
1k
1.6k
2.5k
4k
6.3k
0
250
315
400
500
630
800
1k
1.25k
1.6k
2k
10k
16k
25
40
-10
0
+10
+18
+15
+6
OUTPUT
LEVEL (dBu)
CLIP
+/-15
0
0
+/-6
0
-12
+12
dB
EQ
INPUT
LOW
RANGE
BYPASS
GAIN
CUT
-15
-6
Front Panels
+15
0
-15
2.5k
3.15k
4k
5k
6.3k
8k
10k
12.5k
16k
20k
+15
0
-15
63
100
160
250
400
630
1k
1.6k
2.5k
4k
6.3k
10k
16k
+15
0
-15
1231
Graphic Equalizer
1215
Graphic Equalizer
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