LESSON 5
DESCRIBE AND IDENTIFY COMPONENTS OF RECORDING SYSTEMS, AUDIO SPEAKERS,
CABLES AND CORDS, AND USES OF BASIC MEASURING EQUIPMENT
TASK
Describe and identify components of recording system, audio speakers, cable and cords, and uses of
basic measuring equipment.
CONDITIONS
Given information and illustrations related to recording system components and audio speakers, cable
and cords, and uses of basic measuring equipment.
STANDARD
Demonstrate competency of the task skills and knowledge by correctly responding to 80% of the
multiple-choice test covering identification of components of recording system, audio speakers, cable
and cords, and uses of basic measuring equipment.
REFERENCES
None
Learning Event 1:
DESCRIBE AND IDENTIFY THE COMPONENTS OF RECORDING SYSTEMS
1.
Recording system components. Components of recording systems are divided into two basic
parts, equalizers, and attenuators.
a. All reproducing and sound recording equipment have something in common, that is, the loss
of high frequency response. An equalizer, or compensator, is a device consisting of reactive elements
that may be connected into an electrical circuit for the purpose of altering the frequency characteristics
of that circuit. More simply, equalizers compensate for frequency distortion in cables, lines or loads, in
broadcast audio systems. The basic equalizer is the integrated or the differentiated circuit which you'll
find at the receiving end of the cable to acquire low frequency or high frequency attenuation.
(1) Most cables impose a progressive attenuation of the higher audio frequencies; this is
shown in Figure 5-1. Therefore, an equalizer is used which imposes a progressive attenuation of the
lower audio frequencies.
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