Channel

JohnAudioTech

4 recommended videos. Channel on YouTube

1. 

   1 Make the PERFECT LM386 audio amplifier?

   JohnAudioTech 6 people · 5 months · since Nov 2019

   JohnAudioTech's improved LM386 circuit is a popular template for small amplifier builds, and people value its explanation of why particular capacitors are there.

2. 

   2 LM386 audio amplifier and proper ground layout

   JohnAudioTech 5 people · 4 months · since Apr 2020

   Shared repeatedly as help for noisy LM386 amplifiers, showing how the grounding layout changes what can be heard from small audio circuits.

3. 

   3 Dual supply audio amplifier kit powered from single power supply

   JohnAudioTech 5 people · 3 months · since Jun 2019

   Explains deriving positive and negative rails from a single DC supply using a capacitive splitter, and hobbyists cite it when powering audio amplifiers and preamps.

4. 

   4 Adventures in a one transistor audio amplifier

   JohnAudioTech 3 people · 4 months · since Apr 2018

   Offered as a simple starter project and an example of driving a speaker from one transistor with the help of a transformer.