JohnAudioTech

67K subscribers

I enjoy electronics, building DIY projects and repairing things. Most videos will be electronics related, but I will toss in something random here or there. Enjoy!

5:57

Max power test of 100 watt Renogy solar panel

JohnAudioTech · 2.9K views · 6 days ago

19:43

LM1875 on the analyzer - last of the TO-220 audio amp ICs

JohnAudioTech · 25K views · 13 days ago

11:31

Audio amplifier gave off burning smell. What went wrong?

JohnAudioTech · 4.8K views · 1 month ago

15:33

Sewer line camera by Sanyipace is useful for general purpose inspection

JohnAudioTech · 1K views · 5 months ago

18:09

DC to DC voltage converter test & review

JohnAudioTech · 2.7K views · 5 months ago

15:13

Pushing the UTC TDA2050L to the limits = unhappiness

JohnAudioTech · 5.4K views · 6 months ago

12:10

Super barrier rectifier diode test

JohnAudioTech · 3.1K views · 6 months ago

20:40

Aiyima S4000 powered speaker review

JohnAudioTech · 4.6K views · 6 months ago

25:21

Radio Shack STA-450 receiver on the analyzer

JohnAudioTech · 2.2K views · 7 months ago

15:14

uPC1238 audio amplifier IC tested on the analyzer

JohnAudioTech · 3.4K views · 7 months ago

16:18

Radio Shack MPA 46 35 watt PA amplifier on the analyzer

JohnAudioTech · 3K views · 8 months ago

18:34

MOSFET substitution in linear audio amplifiers

JohnAudioTech · 3.3K views · 8 months ago

17:03

Experimenting with amplifier bias setting

JohnAudioTech · 7.2K views · 8 months ago

13:46

A simple fix gives these speakers up to 5dB more bass!

JohnAudioTech · 5.7K views · 9 months ago

21:46

Trying random output transistors in an amplifier to see what happens

JohnAudioTech · 9K views · 9 months ago

14:51

Rockford Fosgate P400-2 amplifier repair

JohnAudioTech · 3.9K views · 9 months ago

22:42

Fnirsi IPS3608 power supply review - serious issues

JohnAudioTech · 12K views · 9 months ago

15:36

Subwoofer active filter with bass boost DIY

JohnAudioTech · 3.7K views · 9 months ago

21:14

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

JohnAudioTech · 3.3K views · 10 months ago

15:16

Aiyima P600 new bookshelf speaker review

JohnAudioTech · 8.9K views · 10 months ago

23:45

Ampapa D1 amplifier tested on the audio analyzer

JohnAudioTech · 14K views · 10 months ago

21:23

Sealed vs Ported speakers and selecting the bass driver

JohnAudioTech · 2.9K views · 11 months ago

13:37

Building a small subwoofer out of acrylic

JohnAudioTech · 3.6K views · 11 months ago

15:05

Subwoofer amplifier repair - BIC Venturi V1020

JohnAudioTech · 9.6K views · 11 months ago

18:07

Fosi Audio P4 preamplifier on the analyzer

JohnAudioTech · 10K views · 1 year ago

32:11

Modding the Realistic SA-150 stereo amplifier

JohnAudioTech · 6.3K views · 1 year ago

17:07

Realistic SA-150 amplifier tested on the audio analyzer

JohnAudioTech · 10K views · 1 year ago

12:12

Distribution transformer powered tesla coil demo

JohnAudioTech · 1.5K views · 1 year ago

7:55

Modding the Fosi Audio SP601 speaker for better sound quality

JohnAudioTech · 3.9K views · 1 year ago

12:01

Fosi Audio SP601 speaker review

JohnAudioTech · 6.4K views · 1 year ago

YouTube, with the door locked.

Aegis plays a clean stream instead of YouTube's player, so pre-roll ads, trackers, and fingerprinting never ride along. Drop Shields any time if you want the official player back.