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Test equipment
A well-equipped workshop is essential to the professional
audio engineer, and desirable for the amateur. Some items are
vital, others useful, while yet others are desirable but
dispensable. Much depends on the type of work undertaken.
We here briefly survey the main items and their uses.
Multi-range test meter This is the first essential for
checking a.c. or d.c. voltages, current and resistance. For audio
work an analogue meter is preferable to a digital one because it
can give an intelligible indication of rapidly changing readings
such as when used as an output meter, whereas a digital unit
gives a meaningless jumble o ...