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AC or DC Electrical Energy related topics => Power supply | Battery Chargers | DC Power bank => Topic started by: Kiriakos GR on September 01, 2026, 11:21:16 AM

Title: Clean mains supply for the audio equipment
Post by: Kiriakos GR on September 01, 2026, 11:21:16 AM
Clean mains supply for the audio equipment this is a common request in our days.

Back in time (40 years ago), when I was using sound mixer console:
The low end products producing..
a)  An portion of hum.
b) at EQ mode, a portion of Hiss.

In out times, lots of people makes the mistake, to get sound equipment these powered by a switching power supply
 
Quick answer and suggestion.

For sound mixers and pre-amplifier stages, they might be helped due in-line isolation transformer.
Low End Hi-Fi gear this is poorly designed, an poorly designed sound amplifier this cannot be improved with small corrections.