Here the simple mixer circuit with 4 inputs and 2 operational amplifier (op-amp) modules: A basic mixer suitable for mixing…
This is a A/B Box switch pedal schematic with two inputs and one output and featured with dual operational amplifier…
The following circuit is an distortion booster effect for your electric guitar. I don't know whether this circuit is really…
The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very…
The following scheme diagram is the circuit diagram of VOX treble booster effect. A treble booster is an effects unit…
The following schematic diagram is a small surround sound decoder circuit. You may use this decoder surround sound systems for…
The following circuit is tube distortion pedal for guitar effect. The circuit designed by Ron Black. Circuit Notes: IC1 :…
Below circuit is the tone booster circuit. According to the name of circuit, the purpose is to amplify the sound…
The following diagram is the Theremin music instrument effect. A guitar or instrument amplifier is an ideal companion unit for…
The following diagram is the circuit diagram of tube mic pre amplifier 12AX7. This circuit is little hard to built.…