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Inter-m A-120 - User Manual

Inter-m A-120
15 pages
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A-60/120
Public Address Amplifier
PUBLIC ADDRESS AMPLIFIER
A-60
PROT
-
14
MIN MAX
MASTER
MIN MAX
MIC 2
POWER
MIN MAX
MIC 1
MIN MAX
M
IC 3
-
12dB +12dB
TREBLE
MIN MAX
AUX 1
MIN MAX
AUX 2
-
12dB +12dB
BASS
-10
-
7
-3
0
+3
ON
OFF

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Inter-m A-120 Specifications

General IconGeneral
Power Output120W
Frequency Response20Hz - 20kHz
THD< 0.5%
S/N Ratio80dB
Power SourceAC 220-240V, 50/60Hz
Power Output per channel120W (Mono)
Signal-to-Noise RatioBetter than 80dB
Input Impedance10kΩ
CoolingConvection

Summary

Welcome

Electrical Safety Precautions

Alerts user to uninsulated dangerous voltage and advises against removing covers or servicing.

Fire and Moisture Hazard Warning

Warns against exposing the unit to rain or moisture to prevent fire or shock hazards.

Installation

Environment

Specifies suitable environments, avoiding heat, dust, moisture, and vibration for optimal performance.

Important Safety Instructions

Provides a list of 14 crucial safety instructions for installation and operation.

Features

Accessories

Operation

Front Panel Controls

Bass and Treble Controls

Knobs for continuous control of high and low frequency response, up to 12dB cut or boost.

Protection Indicator

LED indicating active protection circuitry due to overheating or power limiting.

Output Level Display

Six-segment LED meter showing amplifier's output level in RMS.

Microphone Volume Controls

Knobs for continuous volume control of Mic Inputs 1-3.

Auxiliary Volume Controls

Knobs for continuous volume control of Aux Inputs 1 and 2.

Master Volume Control

Knob for continuous control of the overall output volume.

Power Switch Operation

Button to turn the unit on/off, indicated by a Power LED.

Rear Panel Connections

AC Power Input

Connection point for the AC power cord to the outlet.

Auxiliary Inputs

Inputs for connecting line-level sources like CD players or tuners.

Speaker Output Terminals

Terminals for connecting speakers, supporting 4 conventional or 70V/100V high-impedance.

Microphone Inputs

1/4" phone jacks for standard mic-level input with 600 impedance.

Priority Mute Level Adjustment

Control to adjust attenuation level for other inputs when Mic Input 1 is active.

Connecting Speakers

4-Ohm Speaker Wiring

Parallel connection for low-impedance speakers to the 4 terminal and COM terminal.

70 V;100 V Speaker Wiring

Connection with matching transformer to 70V or 100V terminals for distributed systems.

Applications Overview

Block Diagram

Product Specifications

Electrical Specifications

Details rated output/impedance, frequency response, T.H.D., S/N, and input sensitivity.

General Specifications

Covers power source, consumption, weight, and dimensions.

Service and Support

Service Procedures

Guidance on troubleshooting operator error and contacting warranty providers for issues.

Schematic and Parts List Availability

Information on how to obtain a schematic diagram and parts list for the unit.

Variations and Options

Product Variations

Notes products' compatibility with local AC power requirements from legitimate sources.

Available Options

States that no optional items are available for this specific product.

Warranty Information

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