This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output ...

The circuit was designed to provide protection to the output of power amplifier thereby protecting the loudspeaker from unwanted noise and other elements. Power Amplifier – a type of amplifier built ...

Campfire Audio launches the Relay portable DAC/amp with AKM SEQ 4493 chip, balanced outputs, and high-res support at $229. Strong tech, but tough competition awaits. Campfire Audio has earned a solid ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...