From WebRef.orgJump to navigationJump to search
- Acoustics: A device that increases the power of a signal. An audio power amplifier takes the small mic or line-level signal and raises it so it can power the speakers. Source: Church Audio & Acoustics Glossary
- Electronics: A device for increasing the signal voltage or signal power level. (Classes of amplifiers are covered under “C.”)
Sponsor: Real Estate Express helps you pass your real estate licensing exam on the first try with online exam prep. Get started today and save 30% with code START30 at checkout!