Pre Amplifier

Low Noise Portable Mic Preamp

This is the circuit diagram of portable mic preamp. This circuit consumes low current supply (about 2mA), so will have…

55 years ago

HiFi Audio Pre-amp

This is a HiFi pre-amplifier circuit diagram with low noise output. Very wide range frequency from about 10Hz until up…

55 years ago

Stereo Electret Mic Preamplifier

This a simple stereo electret microphone pre amplifier circuit. The below design diagram is the design for single channel, but…

55 years ago

Low Impedance Microphone Amplifier

This is the circuit diagram of low impedance microphone amplifier. The circuit designed for use with low impedance (~200 ohm)…

55 years ago