Inter-M MA-106 - Manual (Page 7)

PUBLIC ADDRESS AMPLIFIER
5 MA-106
Rear Panel Rear Panel
1. AC POWER CORD
Connect this cable to an AC outlet.
2. SPEAKER OUTPUT TERMINAL
These terminals are used to connect speakers to the unit. You may select 4Ω conventional operation, or high
impedance operation at either 70V/82Ω or 100V/167Ω.
(USA/CANADA & Associated : 25V/10.5Ω or 70V/82Ω)
Can’t use these terminals at the same time.
NOTE: The unit is disable to operate in case of the total impedance is less than the rated impedance
indicated. (If you’re running speakers, you have to make sure total impedance does not go below
the rated impedance.)
3. EXTERNAL MUTE CONTROL TERMINAL
Be able to use this terminal when you want to cut off the unit’s output signal from the external equipment.
4. TEL IN TERMINAL
This is the audio signal input terminal of switchboard.
If the signal is inputted to the terminal, you are able to control the output of other input signals by the priority
control volume of TEL IN.
5. TEL IN PRIORITY CONTROL VOLUME
This is able to control the mute level of INPUT 1~3 when the signal is inputted from the TEL IN terminal.
6. INPUT 3 TERMINAL
This is an unbalanced input terminal and connected with the external units.(CD, DVD, computer, etc.)
If you connect with computer, ‘Y’ jacks are required.
- 6.3ø Phone Jack : Unbalanced
- RCA Jack : Unbalanced
1 2 3
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