This circuit is perfect pre-amp to amplify the signal from a mono microphone. It is based on the use of […]
Category: Audio Amplifier
Audio Amplifier Circuit
15W Headphone Bridge Amplifier
This receiver operates on the same principle as 40W / 2 ohm (24W / 4 ohms) bridge power amplifier. It […]
40W / 2 ohm (24W / 4 ohms) Bridge Power Amplifier (Cheaper Version)
It is possible to simplify the assembly to have a cheaper version of 40W / 2 ohm (24W / 4 […]
40W / 2 ohm (24W / 4 ohms) bridge power amplifier
This bridge power amplifier, without great pretensions, is simple to perform, and works with a single power supply of 18 […]
Electret Microphone Pre-amp based NE5532
The mic preamplifier described here is designed to connect a small electret microphone. The Electret microphone pre amp scheme is […]
Microphone Preamplifier based TLC251
Mic Preamplifier described here is designed for dynamic type microphones, the impedance between 200 ohms and 1 ohm. Its uniqueness […]
Small stereo headphone amplifier
A small stereo headphone amplifier cheap and very nice features (without HIFI). It only uses a single power supply value […]
32 ohm Headphones Amplifier
Here’s a little extra amplifier and really easy to make and inexpensive. It can also serve for a stereo headset […]
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