TOA 500 SERIES MIXER POWER AMPLIFIER A-503A

The TOA 500 series Mixer Power Amplifiers A-503A are designed for PA system applications such as paging, announcements, intercommunications, background music and broadcasting in industrial plants, offices, schools, churches, department stores, shopping centers, night clubs, dining rooms, convention halls, auditoriums and recreation areas. The Primary feature is their ability to withstand overload or short-circuits of output. Because of the TOA-engineered circuitry design, the TOA 500 -series amplifiers require no complicated protective circuit to withstand accidents and mismatched output connections that may occur during the installation or use of a PA system. This results in very high reliability. 1. High quality design and construction. 2. Full frequency response: 50 - 15,000Hz, ±3dB. 3. Low distortion and noise level. 4. 4 microphone inputs, 3 auxiliary inputs and a mag. phono input. 5. Isolated-transformer outputs complete with 4 ohms, 25V and 70V. 6. AC/DC operation: 120V AC and 24V DC 7. Individual bass and treble tone controls. 8. Signal processing input/output. 9. Self-protection circuitry design. 10. Muting function. 11. Remote volume control circuit. Colour: Black Condition: Used; 1 unit missing 2 control knobs Usage: Audio