Pre Amplifier

Stereo Tone Control with Line In + Microphone Mixer

This is an active stereo tone control circuit using very well known op-amp IC of TL072. The circuit include mic…

55 years ago

Bass Guitar Preamp Pedal

Here is the circuit diagram and PCB design for relatively low cost DIY bass guitar preamp pedal uses FET K117…

55 years ago

Mic Condenser Amplifier

This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here…

55 years ago

Tube Head Pre-amp

This is a simple and low cost Tube Head Vacuum Tube pre-amp circuit designed bu PAiA electronics: Vcc - Pin…

55 years ago

Simple Mic Pre-Amp based LM358

Here the simple mic pre-amp circuit design based on single IC LM358. The circuit is very simple, inexpensive and easy…

55 years ago

Guitar Pre-Amp with JFET 2N5457

Designed by Don Tillman, this guitar pre-amp circuit design is dedicated for people who don"t like op-amps module. This circuit…

55 years ago

Tube Mic Pre-Amp

The following diagram is the circuit diagram of tube mic pre amplifier 12AX7. This circuit is little hard to built.…

55 years ago

Simple Audio Pre-Amplifier

This is a simple audio pre-amplifier circuit using single transistor 2N3904. This easy circuit provides good gain to weak audio…

55 years ago

Dynamic Microphone Amplifier

Here is the dynamic microphone amplifier circuit diagram. This circuit should be perfect for dynamic microphone... Dynamic microphones are versatile…

55 years ago

Pre-Amp + Tone Control with TDA1524A

This is a low noise and distortion pre-amplifier and tone control circuit in one module. Using a special IC TDA1524A,…

55 years ago