Two Channel Panning Circuit This panning circuit (short for panoramic control circuit) provides the ability to move the apparent position of one microphones input between two output channels. The Circuit Diagram of Two Chan ... read more>>
Subwoofer Crossover Amplifier The electronic-crossover circuit contains a summing amplifier that combines the left and right channels from a stereo's headphone jack. Originally used in a subwoofer system, the above circuit mig ... read more>>
Low-Distortion Amplifier-Compressor Designers can build a 15-dB compressor with a miniature lamp and a current-feedback amplifier. The circuit possesses extremely low distortion at frequencies above lamp's thermal time constant. Thi ... read more>>
Audio Volume Limiter IC1-a is connected as an inverting amplifier whose gain is controlled by the LDR portion of an optocoupler.The Circuit Diagram of Audio Volume Limiter ... read more>>
6 W Warble-Tone Siren This circuit uses a CMOS chip and a VMOS FET amplifier for 6W of audio output. 18 W of audio can be generated using a +24-Vdc supply. IC1-a and IC1-b are used as a 1-Hz oscillator.IC1-c and IC1-d form ... read more>>
