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Using LEDs as mains indicator lights on 120V and 230V (live demos)

Increasing the Main Filter Cap in an Amplifier - What Happens?

Sansui 9090 Receiver Restoration (Ep. 242)

Ultimate Guide To Vintage Audio Repair. Old Electronics Troubleshooting. Repairing Tips & Solutions

Technics brand vinyl player restoration // Restoring antique vinyl players

Everything is Better: GaN vs Silicon Power Supplies

Sansui 8080 9090 X0X0 LED Conversion (Pro Kit Installation) - Full Tutorial

Trapped Voices In This Wire - Let's Listen To Them!

Pioneer SX 525 Repair & Restore With Difficult Alignment

Sansui 9090DB 8080DB Dolby Board Repair - BG091

Whats the secret of the Sansui sound ?

Amplifier Types DC Offset & Distortion Protecting your Speakers

Sansui 9090DB Restore Part 3 Restoration Continues

Is my issue the Dolby Board? - Sansui 9090DB 8080DB - BG094