Inter-m PA-240A - User Manual

Operation Manual
Mixing Amplifier
PA-60A/120A/240A

Inter-m PA-240A Specifications

General

Output Impedance	4Ω
Input Impedance	20kΩ
Damping Factor	200
Cooling	Fan
Frequency Response	20Hz - 20kHz

Summary

Welcome and Safety

General Safety Precautions

Essential safety warnings and precautions for operating the amplifier, covering electrical hazards and environmental exposure.

Getting Started

Detailed Safety Instructions

Comprehensive numbered safety instructions for installation and operation, covering electrical, usage, and maintenance precautions.

Front Panel Controls and Indicators

Volume and Tone Controls

Front Panel Inputs and Functions

Rear Panel Power and Control Terminals

Rear Panel Signal and Speaker Terminals

Speaker Output Terminals

Terminals for connecting speakers, including low impedance and high impedance options.

Rear Panel Input Terminals and Settings

Impedance Selection and TEL IN

Impedance selection switch and TEL IN input terminal for telephone exchange connection.

External Input and Standard Inputs

Priority Control Function

Priority Mute Volume Adjustment

Application Example

PA-60 A;120 A Block Diagram

PA-240 A Block Diagram

Signal Flow and Component Layout

Schematic block diagram illustrating the internal signal flow and component connections for PA-240A.

Technical Specifications

Power, Frequency, and Input Specifications

Details on output power, frequency response, input sensitivity, and impedance for various inputs.

Operating Conditions and Physical Dimensions

Service Procedures and Documentation

Troubleshooting and Parts Acquisition

Guidance on diagnosing issues and obtaining technical schematics and parts lists from warranty providers.