User Manual
PT-AA220
4
2.1.3.
Dual-Mono Output
The PT-AA220 also has the function of double-mono output. It can sum up the left
and right channel, to be the mono audio output. In this way, the both of the outputs
are showing the same mono audio.
The connection is:
Speaker
OUTPUTS
LOOP
1x40Watt
8
@
Ω
2x20Watt
4
@
Ω
RS232
Tx
Rx
IR
STEREO
BRIDGE
MONO
L
R
MIC
LINE
48V
MIC
1
2
INPUTS
Speaker
STEREO
BRIDGE
MONO
2.2.
Microphone Input
The microphone input of PT-AA220 has three modes, and different modes use
different connections, as the picture below:
RS232
Tx
Rx
IR
STEREO
BRIDGE
MONO
L
R
MIC
LINE
48V
MIC
1
2
INPUTS
MIC
MIC
LINE
48V
Mode Switch
2.2.1.
48V Phantom Power Input
When the switch turns to “48V”, the MIC input will provide a 48V phantom power.
This is usually used for power supply for condenser microphone, Connection is:
“+” connects to positive, “-” connects to negative and “
╧
” to ground.
Note
: In this mode, only condenser microphone can be connected with.
