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JohnAudioTech

15 indexed videos · 33,100 subscribers

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Latest from JohnAudioTech

15 items

Sewer line camera by Sanyipace is useful for general purpose inspection JohnAudioTech

2 months ago

DC to DC voltage converter test & review JohnAudioTech

3 months ago

Pushing the UTC TDA2050L to the limits = unhappiness JohnAudioTech

4 months ago

Super barrier rectifier diode test JohnAudioTech

4 months ago

Aiyima S4000 powered speaker review JohnAudioTech

4 months ago

Radio Shack STA-450 receiver on the analyzer JohnAudioTech

4 months ago

uPC1238 audio amplifier IC tested on the analyzer JohnAudioTech

5 months ago

Radio Shack MPA 46 35 watt PA amplifier on the analyzer JohnAudioTech

5 months ago

MOSFET substitution in linear audio amplifiers JohnAudioTech

5 months ago

Experimenting with amplifier bias setting JohnAudioTech

6 months ago

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

6 months ago

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

6 months ago

Rockford Fosgate P400-2 amplifier repair JohnAudioTech

7 months ago

Fnirsi IPS3608 power supply review - serious issues JohnAudioTech

7 months ago

Subwoofer active filter with bass boost DIY JohnAudioTech

7 months ago