JohnAudioTech

Channel stats

Calculated from videos published in the last 12 months

1 video every 11 days

Publishing pace

Regular

Publishing regularity

16 min

Average video duration

44 min

Published time per month

More channelsScience & Technology All channels in English View on YouTube

Latest videos

DC to DC voltage converter test & review

April 5, 2026

Pushing the UTC TDA2050L to the limits = unhappiness

March 17, 2026

Super barrier rectifier diode test

March 14, 2026

Aiyima S4000 powered speaker review

March 4, 2026

Radio Shack STA-450 receiver on the analyzer

February 26, 2026

uPC1238 audio amplifier IC tested on the analyzer

February 19, 2026

Radio Shack MPA 46 35 watt PA amplifier on the analyzer

February 1, 2026

MOSFET substitution in linear audio amplifiers

January 21, 2026

Experimenting with amplifier bias setting

January 8, 2026

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

December 30, 2025