Bridge adapter circuit, stereo to high power mono amplifier
The bridge adapter circuit using NE5534 low noise IC to convert normal stereo to high power mono amplifier about 4 times,watt power lost approximately 75% Read more
Amplifiers
30 watt OCL amplifier circuit diagram with PCB
The integrated amplifier that is smaller. For listening in a small room. Must have good the sound quality. Low noise and cheap. Read more
Acoustic Guitar Pickup circuit & Wireless using TL071
An acoustic guitar pickup circuit that cheap and you can build with yourself. Suitable for the show enjoy of the party at home or in a group of friends. Read more
Learn basic DIY fiber optic intercom circuit with PCB
A simple fiber optic intercom communication systems to home use. Video Door Phone Intercom is going to happen in the future. or Meetings monitor route. Read more
Transistors Dynamic Microphone Preamplifier Circuit with PCB
The Dynamic Microphone Preamplifier circuit. So low noise signal,use three transistor (2SC945, or 2C1815 or 2SC828) is transistor amplifier with a low noise […] Read more