For this year’s Hackaday Prize, [skrodahl] is building a beautiful tube preamp. It’s a masterpiece of glass and free electrons, it already works, and it sounds great. This circuit is a modified ...

Have a look at boozhoundlabs.com if you're not opposed to tubes -- View image here: http://episteme.arstechnica.com/infopop/emoticons/icon_smile.gif -- I myself am ...