Quote:
Originally Posted by G6Tanuki
There's a quick-and-simple Velleman regulated-PSU kit that uses a LM317; I have used quite a few of these to power Roberts radios, they have a bridge-rectifier and big electrolytic capacitor as smoothing, meaning that you can use them with wall-warts that supply AC or DC, and the DC doesn't care about polarity as the bridge will sort that out for you.
See here: https://vintage-radio.net/forum/showthread.php?t=129371 for my writeup of one I built some years back. Still going strong! |
Thank you that's a good approach, great write up at your linked thread too - the "lack of silence in music gaps" is what I'm chasing too, so will try your approach and if I can get the Velleman kit I will, otherwise will try and do an "equivalent" to it, less neat maybe but if a box is needed anyway the end user won't be looking inside it so some vero or perf board isn't too bad, hopefully.