AMC MMA-240 Посібник з монтажу та інструкція з експлуатації - Сторінка 5
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p. a. amplifier, amplifier with tuner and cd player
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ZONE1
ZONE2
COM
100V
COM
100V
DC INPUT
+24V
0
COM
8
25V
70V
100V
Mains Connection
The supply transformer has been designed for use either 115Vac or 230Vac,
Selected by slide switch on rear panel. The amplifier is factory set at 230Vac mains
Voltage.
Battery Connection(24Vdc)
When using external batteries, earth the amplifier via the screw terminal because of the high
voltages present. Electrical stability of the system is increased by earthing the case.
NOTE: The connection cable must be fitted with an in-line fuse, quick blow type
F15A. When connecting batteries please ensure correct polarity.
Microphone Connections
Mic1 input is either a balanced standard 1/4" stereo jack on front panel or XLR on the rear
panel (With selectable phantom power). Wiring is as follows:
XLR (Balanced Operation)
Pin1 : Screen
Pin2 : Signal (live)
Pin3 : Signal (return)
1/4" Stereo Jack Plug
Tip : Signal (live)
Ring : Signal (return)
Sleeve : Screen
Mic1 input has VOX priority which will override Mic2-4 and Aux (Line) input signals but NOT
the TELEPHONE input.
Mic2-4 inputs are XLR with selectable phantom power located on the rear panel and wired as
above. The phantom power is factory set to off and can be enabled as follows:
115V~
230V~
LINE FUSE
250V T 2.5A
4
BALANCED
LINE OUT
AUX
MIC-4
MIC-3
L
R
600
1V 8
FM
AM
ANT
MOH OUTPUT
2
1
3
MIC-2
MIC-1
1W
MUTE G COM HOT
TEL
GND
GND