This is the scheme diagram of passive surround circuit. Passive surround doesn't need any active components and power supply to…
The following is a circuit of a power amplifier 140W. This Circuit using 741 IC-based circuit opAmp as strengthening early…
This is Dan Armstrong Green Ringer guitar effect for your electric guitar. The guitar effect is sold at high price…
Below is a mic compressor circuit that uses transistors as active components. VR1 and VR 2 is used to control…
The following circuit is a 5W stereo audio amplifier, built based on single amplifier IC TA7227. The TA7227 can be…
This 300W OCL power amplifier -i'm sorry for the blur diagram, but it should be readable- use 4 pairs of…
The following circuit is the combination of echo chamber circuit that will make the sound repeated, just like an echo…
Here's a circuit of 7W audio amplifier that is very simple and very easy to build. This amplifier is built…
The following diagram is the circuit diagram of simple 4W audio amplifier based TDA1013B. The amplifier is based on integrated…
Above scheme diagram is turbo bass circuit that can be used to multiply the low frequency sound signals (bass) on…