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Am pli fier Con trols
1073 Mod ule
High Frequency: Smooth +/-16dB fixed frequency shelving at 12kHz.
Low Frequency: Smooth +/-16dB shelving with selectable frequencies of 35Hz,
60Hz, 110Hz & 220Hz.
Mid Frequency: Smooth +/-18dB peaking, fixed 'Q' with, selectable centre
frequencies of 0.36kHz, 0.7kHz, 1.6kHz, 3.2kHz, 4.8kHz &
7.2kHz.
High Pass Filter: 18dB per octave slope, switchable between 50Hz, 80Hz,
160Hz & 300Hz.
EQL Button: Switches the equaliser in or out of circuit.
Phase Button: Gives 180° Phase change at Balanced Output.
User Guide Is sue 3 Page 6
1073 & 1084 Chan nel Am pli fiers Am pli fier Con trols
dB
LINE
-20
10
0
+10
OFF
-2030
MIC
40
50
OFF
60
70
-80
+
-
0
+
-
0
OFF
0.36
0.7
1.6
3.2
KHz
Hz
4.8
7.2
+
-
0
OFF
35
60
110
220
Hz
OFF
50
80
160
300
EQL
PHASE
dB
LINE
-20
10
0
+10
OFF
-2030
MIC
40
50
OFF
60
70
-80
+
-
0
+
-
0
OFF
0.36
0.7
1.6
3.2
KHz
4.8
7.2
Hz
+
-
0
OFF
35
60
110
220
OFF
50
80
160
300
Hz
E
Q
L
P
H
A
S
E