ABSTRACT
Audio loudspeaker (output transducer) is on of the most essential and powerful device used in telecommunication system. This is device capable of converting electrical signal into sound and vice versa. It is made up of few time of non-magnetic wire wound on a light cylindrical former that is mounted so that it can move freely insides the magnetic field of a strong permanent magnet. The speaker cone it attached to the voice coil and attached with a flexible mounting to outer ting of the speaker support.
The device was contracted and operated based on the principles of electromagnetic induction which was clearly stated by faradays and langue laws of electromagnetic induction. This speaker has power rating of low watts and 16ohms impedance
The materials used in made up of particle board of ¾ thickness tweeter and cross over network..
This device constructed locally can compete favourably well with the imported one (with international standard) the information in this write up comprises of the construction operation a detailed information of each component parts and various used of output transducer (loudspeaker).
TABLE OF CONTENT
Title page
Certification
Dedication
Abstract
Table of content
CHAPTER ONE
Introduction
Background information
Aim
CHAPTER TWO
Literature review
Function of various parts of loudspeaker
Working principles of a loudspeaker
CHAPTER THREE
Meaning of crossover
Component parts of crossover
Crossover design
General methodology of crossover design
CHAPTER FOUR
Meaning of a tweeter
Operation of a tweeter
Dome fluid
Ferro fluid
Types of tweeter
CHAPTER FIVE
Requirement of enclosure
Types of infinite battle enclosure
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