Front Panel
FRONT PANEL CONTROLS AND FEATURES
1)
Controls for adjusting the pre-amplification for the first 4 channel INPUT 1 to INPUT 4 in Mic or Line mode.
2)
Control for adjusting the pre-amplification for the AUX channel.
3)
Bass - Low frequency can be cut or boosted by this control @100Hz.
4)
Treble - High frequency can be cut or boosted by this control @10KHz.
5)
Control MASTER VOLUME for all the Input channel.
6)
CLIP LED, light up in case of overload.
7)
Signal LED shows the presence of signal.
8)
Power on LED.
9) POWER SWITCH:-
Used for switching the unit on and off.
Rear Panel
REAR PANEL CONTROLS AND FEATURES
1)
Combi jack inputs for connecting microphones or line input (CH 1 to 4) with line output.
2)
MIC/LINE selectable switches (CH 1-4).
3)
RCA jack connectors for Auxiliary input.
4)
Line Output for connecting further amplifiers. The output level is independent of Master volume control.
5) & 6)
Feed-through connection PRE OUT and AMP IN for inserting a unit (e.g. equalizer); the output level of jack PRE OUT is independent of
control MASTER VOLUME.
7)
Low cut switch cuts the low frequency @ 50Hz.
8) Auto talk when pressed gives vox priority to channel 1.
9) Phantom power switch when pressed gives 21V supply at the input of CH 1 Mic only.
10)
Screw terminal for constant voltage line connection to the speaker.
11)
Terminals for the connection to the speakers directly (Low impedance speakers).
12)
Mains socket for connection to a mains (240 V~/50 Hz) via the supplied mains cable, replace a blown fuse only by same type and rating.
13)
Terminals for an external 24V DC, in case if Mains power fails.
14)
External earth terminal: For a possible ground connection (e.g. in case of hum problems).
3
1
2
3
4
5
9
6
7
8
POWER
CLIP
SIGNAL
ON
R
MIC/LINE
1
2
3
4
5
MIC/LINE
MIC/LINE
MIC/LINE
AUX
BASS
TREBLE
MASTER
120 WATT PA AMPLIFIER
ARC 120A
240V~/50Hz
24V DC
COM
COM
OUTPUT
4
Ω
8Ω
16Ω
70V
100V
GND
T 1.6A/250V
LOW
CUT
LINE OUT
INPUT 4
INPUT 5
INPUT 3
INPUT 2
INPUT 1
AUTO
TALK
+21V
PHANTOM
POWER
PRE OUT
AUX IN
AMP IN
OFF
ON
OFF
ON
OFF
ON
MIC
LINE
MIC
LINE
MIC
LINE
MIC
LINE
12
14
11
10
13
7
5
6
4
3
9
8
2
1
