DC

Simple AC-DC LED rectifier for power on indicator

A while ago I found a circuit on the internet that would be useful for adding LED power indicators to devices to show they are powered up and switched on.… Read More »Simple AC-DC LED rectifier for power on indicator

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Introduction Back in October 2019 some of you may remember the review I did on the Burson V5i and V6 Op Amps. I tested the …
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Following on from my previous power supply builds in an effort to get good clean audio from a decent clean power supply, the parameters have …
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Recently a kind user who goes by ‘passive420’ on the diyAudio forums had a conversation with me about all things DIY and so he sent …
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Following on from the single rail power supply I wrote about a while back I actually created this dual rail version first which was inspired …
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A while ago I found a circuit on the internet that would be useful for adding LED power indicators to devices to show they are …
(0) admin ~ Articles
For a good clean sound it requires a good clean power supply. A while back I built the Whammy Headphone Amp by Wayne Colburn and …
(7) admin ~ Articles
Since building my Whammy, I have bought a bunch of standard IC OP Amps to test to see how it affects the overall sound quality …