Audio Amplifier: Any amplifier designed for the audio range of frequencies, 20 Hz to 20 kHz. Related posts: Rocker arm Active Filter Amplifier OMD551 Basic of Biomedical Instrumentation Syllabus Automatic Gain Control (AGC) MPDQ Human resource information system Push rod Tappets Sports car Valve train Career development workshop Training Back pressure All Wheel Drive (AWD) Behaviorally anchored ratios scale Detonation sensor BE8253 Basic Electrical Electronics and Instrumentation Engineering Syllabus OTL552 Digital Audio Engineering Syllabus Regulator Read more articles Previous PostArmstrong oscillator Next PostAutomatic Gain Control (AGC)