Components of Public Address System (PAS)
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Question (English)
Public Address System (PAS) consists of:
- Microphone, Amplifier and Loudspeaker ✓ Correct
- Microphone and Loudspeaker only
- Amplifier and Loudspeaker only
- Microphone and Amplifier only
Explanation:
Correct Answer: Microphone, Amplifier and Loudspeaker
The Public Address System (PAS) consists of three essential components: Microphone (Mike), Amplifier, and Loudspeaker.
Role of Each Component
- Microphone (Mike): Converts sound (voice) into electrical signals — the input device.
- Amplifier: Boosts (amplifies) the electrical signal to increase its strength.
- Loudspeaker: Converts the amplified electrical signal back into sound — the output device.
Classification of PAS as Audio Aid
- PAS is a Non-Recording type Audio Aid — it transmits sound live without recording it.
- Other Non-Recording Audio Aids: Radio, Transistor
- Recording Type Audio Aids: Tape recorder, Wire recorder, Gramophone, Ferrograph
Use in Extension
PAS is used in large group gatherings such as village meetings, cattle fairs, exhibitions, and result demonstrations where the speaker's voice must reach all participants clearly.
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