AM-30U / AM-60U Version 1.0
Page
6
of 11
AM-30U / AM-60U
Amplifier
4. CONNECTIONS
4.1. AC mains connection
Supplied transformer has been designed to be used at 230 Vac
4.2. Audio inputs
4.2.1. MIC 1/TEL
4 pin terminal connector placed on amplifier’s rear panel. Electronically balanced MIC/LINE input.
The wiring is set as below:
H: Signal (+)
G: GND
C: Signal (-)
P: Priority
The GAIN control is located next to the terminal to adjust the input level in an optimal way.
4.2.2. MIC 2
1/4" Jack mono connector for unbalanced mic signal. Placed on amplifier’s rear panel. Its pin out is
as follow:
Slave: GND
Tip: Signal
Turn the correspondent front control knob clockwise or counter-clockwise to increase or decrease
the volume of this input.
4.2.3. AUX / CD input
This equipment has two aux inputs that can be used to connect audio sources such as tuners, CD
players, cassette players…
Connectors are standard RCA internally linked, making it possible the use of stereo signal without
any special cable, anyway it’s recommended to consult audio source manufacturer to ensure that
the equipment won’t be damaged if the output channels are connected in parallel.
Ring: GND
Tip: Signal