AUSTRALIAN MONITOR AMIS120 - User Manual

Clever Features, Contactor Friendly
Operating Manual
AMIS60, 60w Mixer Amplifier
&
AMIS120, 120w Mixer Amplifier
Product Description
The AMIS60 and AMIS120 mixer amplifiers are designed for commercial installations. Both models
operate on 110 VAC, 60Hz or 24 VDC, and may be desk or rack mounted (rack mount kit supplied fitted).
Both amplifiers incorporate a 6 zone 70 volt line speaker zone selector with “All Call”. The AMIS60 will
deliver 60 watts into a load of 8 ohms, 25 volt or 70 volt line. The AMIS120 will deliver 120 watts into a
load of 4 or 8 ohms, 25 volt or 70 volt line. Both Models feature 4 universal mic/line inputs, a transformer
balanced, 600 ohm telephone input and an insert point for additional EQ or feedback exterminator if
required. The AMIS60/120 also feature a dual RCA tape output while a balanced, 700mV XLR output is
also provided to feed up to six power amplifiers. Other standard features include on-board Bell, Pre
Announce, Alert & Evac tones, Remote Master VCA Control & dual stage priority muting. As standard,
both models are self standing and come with rubber feet. They may be stacked to a maximum of four units
high.
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AUSTRALIAN MONITOR AMIS120 Specifications

General

Speaker Outputs	4 ohm, 70V, 100V
Signal-to-Noise Ratio	>75dB
Power Output	120 watts
Outputs	1 x Line
Total Harmonic Distortion	<0.5%
Input Impedance	Line: 10kΩ
Amplifier Type	Integrated Mixer Amplifier
Inputs	3 x Mic/Line
Output Impedance	4Ω

Summary

Product Description

Front Panel Features

Microphone;Line Level Controls

Adjusts individual channel input levels for the desired mix.

Bass Control

Adjusts bass frequencies, offering boost or cut at 100 Hz.

More Front Panel Controls

Treble Control

Adjusts treble frequencies, offering boost or cut at 10 KHz.

Master Output Control

Adjusts the overall output level of the amplifier.

Page Chime Enable Button

Enables or disables the Pre-Announce Chime.

All Call Button

Connects the 70 volt output to all 6 switched outputs.

Speaker Zone Selector Switches

Switches the 70 volt output to any of the 6 speaker zones.

Power Switch

Controls the AC power to the amplifier.

Rear Panel Features

230 V;240 V Slide Switch

Selects operating voltage between 230V and 240V.

AC Power Inlet

Connects the amplifier to the AC mains power supply.

24 Volt DC Power Inlet

Allows connection to a 24VDC battery supply.

Speaker Output Terminal Strip

Terminals for connecting low impedance and 70V/100V speaker loads.

More Rear Panel Connections

Phantom Power Button

Enables or disables 15V DC phantom power for microphone inputs.

Line Output

Balanced XLR output for connecting to power amplifiers.

Tape Output

Dual RCA outputs for connecting to tape recorders.

Microphone Inputs

Four dual mic/line inputs via 3-pin XLR connectors.

Advanced Rear Panel Interfaces

Line Inputs

Dual RCA connectors for line/auxiliary inputs.

Insert Point

Connects external signal processors between mixer and power amp sections.

VOX Relay Output

Relay output activated by priority inputs, useful for accessory control.

VCA Control

Allows remote control of the master level using an external potentiometer.

Other Features

Tone Generators

Provides four built-in tones (Evacuation, Alert, Bell, Pre-Announce Chime).

Muting

Automatic muting of channels when priority inputs are active (VOX Muting).

Fuse Sizes

Specifies fuse ratings for mains operation (2A for AMIS60, 4A for AMIS120).

Important Safety Information

General Precautions

Covers handling, power, connections, and environment for safe operation.

Specific Safety Warnings

Details on voltage exposure, ventilation, input/output connections, and modifications.

Further Safety and Service

Electrical Safety

Instructions on grounding and avoiding short circuits.

Non-use and Service Information

Guidelines for unplugging during non-use and when to seek qualified service.