Manual

3. GENERAL DESCRIPTION

TOA’s Basic Amplifiers A-2030, A-2060, A-2120 and A-2240 are high cost-performance mixer power

amplifiers suited for broadcasting paging or background music in schools, offices, shops, factories,

mosques, churches and large rooms.

4. FEATURES

• High durability, high reliability, and high cost performance.

• Three microphone inputs, two AUX inputs, and one recording output.

• Speaker output of constant voltage distribution system (70V or 100V) and low impedance (4Ω).

• Operates on both AC and DC power.

• Muting function.

• Independent input volume controls and master volume control.

• Independent tone controls of boost and cut type for both high and low frequencies.

• MIC 1 input is equipped with a 5-pin DIN connector to provide muting control.

• MIC 1 with phantom power for condenser microphones.

• Current limiter circuitry protects transistors, and the thermal protection circuitry prevents a failure

due to overheat.

• All MIC inputs are electronically-balanced input.