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design and construction of 20watts wireless public address system (58 pages) CHAPTER 1-5

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58 Pages | chapter 1-5 | PDF and Microsoft Format

Product Description

All listed  project topics on our website are complete work from chapter 1-5 in Typed format ( PDF/MS word format ) which are well supervised and approved by lecturers who are intellectual in their various fields of discipline, documented to assist you with complete, quality and well organized researched material. which should be use as reference or Guild line...  See frequently asked questions and answeres


design and construction of 20watts wireless public address system (58 pages)

ABSTRACT

It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public address or “P.A SYSTEM” is an electronic amplification system with a mixer ,amplifier and loudspeakers, used to reinforce a given sound , e.g a person making a speech, pre-recorded music ,or message and distributing the sound throughout a venue . The voice signal is passed through a microphone , which converts the sound energy to electrical energy, the energy electrical signal being transmitted is been received and amplified by the amplifier circuit. The amplifier’s output is fed into the loudspeaker which converts the electrical energy back to the original form but amplified sound energy. This project is made up of the power supply unit, the pre-amplifier and power amplifier units, and the tone control unit. This system is capable of delivering 20W of electrical power into a 8 ohm load(loudspeaker). ………….ORDER FOR COMPLETE PROJECT MATERIAL NOW!! .

 

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