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(mis) Adventures in Hi-Fi

Tag: switch

SlowSwitcher – DAC to amplifiers switch box

Posted on 26 September 202126 September 2021

A convoluted setup in one of my rooms needed a little more confusion adding to it. As mentioned in my last post, I have a couple of sources – a PC and my streamer, which connect to a preamplifier, two amplifiers, two DACs and a headphones amp. I know I could streamline this, but I…

Amplifier switch box

Posted on 3 September 20214 September 2021

A very simple project this time and actually one that addresses a problem I needed a solution for, rather than yet another headphone amplifier…although those are in the pipeline! In one of my rooms I have a range of (mostly) DIY audio equipment. Connected by USB to my desktop PC I have a Topping D30…

Amplifier soft-start and low voltage illuminated on/off switch – H9KPXG

Posted on 24 September 202026 September 2020

Regular DIYAudio contributor Mark Johnson has kindly released this project into the public domain. The impetus behind the project was the desire for the designer to safely use a low current, front panel switch of the anti-vandal type in power amplifiers. The board incorporates inrush current limiting, wiring for the on/of switch and an auxiliary…

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