The simple RIAA preamplifier circuit is just to show that we can sometimes change the role of a component. It…
Here the RIAA stereo preamplifier classic version based on NE5534. This setting is intended for use with a vinyl turntable…
This RIAA stereo preamplifier uses only conventional components, you can easily find components at electronics store. The circuit is intended to…
This is the circuit diagram of a 35W audio amplifier based on LM391. The LM391 is a comprehensive driver to…
The microphone preamp based transistor described here is powered by 9 V and less than 1 mA current consumption, it…
These Simple amplifier based transistor 3W / 8 ohm are very small and very easy to carry, work with single…
This 1 watt amp is very easy to built in very small dimensions, working with only single 9V battery, and…
The Audio amplifier described here uses two small amplifiers like LM380 mounted in bridge. Two small amplifiers LM380 (2.5 W max in each 18 V), which mounted bridge mode make it…
The microphone preamplifier described here is a 'hybrid' passive / active. A small transformer input provides a small contribution to…
Microphone preamp described here is not a professional preamp, but the original preamp and it is cheap and easy to…