A Versatile Audio Power Meter |
Steven E. Monsey |
Many plays involve the use of practicals like radios and TVs whose speakers must be driven by one of the theatre’s system amplifiers. This condition poses a problem, for system amplifiers can easily overdrive and damage speakers that are small enough to be mounted in practicals. And, unfortunately, most theatrical sound systems do not contain a meter that permits a sound board operator to monitor the health of a given amplifier/speaker combination.
The audio power meter described in this article is designed to fill that gap. Because this unit monitors the interaction between so many amplifier output levels (0.1W to 400W) and speaker sizes (4Ω, 8Ω, and 16Ω), it can be used with a large number ...
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