NE5532 Pinout Datasheet Dual low noise op-amp
NE5532 is in Hi-Fi audio system a lot. Why? Read this datasheet, Get pinout, spec, how to use. For example preamplifier with tone control. Read more
Preamplifiers
7 tone control circuit diagram with PCB layout
Learn! 8 Tone control circuit, Stereo Preamplifier using normal transistors. To control bass and treble effects audio low noise. easy to builds with PCB. Read more
Linear opto isolator circuit
This is the linear opto isolator circuits that use a few parts and cheap. In circuit we use the opto compiler ICs number of MOC 5010 as based. [….] Read more
4 types of Preamplifier circuits using Transistors
This is Simple preamplifier circuit using transistors,low noise and easy to builds we have many circuit below, simple to difference projects […] Read more
Universal Preamplifiers using – NE5532 – LM382 – 741
You have a good power amplifier and speaker. You are listening to music. But the sound is very light. The problem has many reasons. One reason for the problem is the input signal is too low. You may need a preamplifier using IC. It will make the input signal is higher. Then, You will listen … Read more