Trying random output transistors in an amplifier to see what happens JohnAudioTech

8.5K views - 3 months ago

Pushing the UTC TDA2050L to the limits = unhappiness JohnAudioTech

4.7K views - 1 month ago

Changes in my life - the reasons I've been gone JohnAudioTech

6.2K views - 2 years ago

uPC1238 audio amplifier IC tested on the analyzer JohnAudioTech

2.9K views - 1 month ago

DOUK AUDIO ST-01 Pro amplifier performance tests with teardown JohnAudioTech

12.3K views - 2 years ago

Super barrier rectifier diode test JohnAudioTech

2.9K views - 1 month ago

JAT501 optimal class AB bias & Class A, 2 Ohm operation JohnAudioTech

3K views - 4 months ago

Dealing with amplifier power on/off pop sounds JohnAudioTech

29.9K views - 1 year ago

Phono preamp kit build and test - Elliott Sound Products JohnAudioTech

29.3K views - 1 year ago

Oscillating amplifier - Tips to fix JohnAudioTech

7.1K views - 1 year ago

How to select audio amplifier input decoupling capacitor value JohnAudioTech

18.7K views - 5 years ago

Digital music player with bluetooth & FM radio - test and review JohnAudioTech

41K views - 8 years ago

LM3886 vs TDA7293 audio analyzer results JohnAudioTech

15.8K views - 1 year ago

100 watt subwoofer board test and review, Arylic brand JohnAudioTech

8.6K views - 4 years ago

The BEST low cost audio amplifier boards I've tested JohnAudioTech

161.5K views - 8 years ago

If you can't hear this then you're not an audiophile [See description for link to followup video] Audio Masterclass

1.6M views - 2 years ago

Phono preamp review - Fosi Audio BOX X5 JohnAudioTech

17.5K views - 1 year ago

Fixing the LM3886 stereo amplifier oscillation problem JohnAudioTech

23.6K views - 5 years ago

How to select resistor value for LEDs JohnAudioTech

424.9K views - 8 years ago

SONY STR-DG510 AV receiver - diagnosing weak/dead channels JohnAudioTech

2.9K views - 1 year ago