pyrohaz:
If you don't need too much power you could build something single-ended from this page (it is in czech language so I used Google Translator for you): http://translate.google.sk/translate?hl=sk&sl=cs&tl=en&u=http%3A%2F%2Fhlava.webpark.cz%2Fjednocinne.html
Especially this one:
which is single-ended triode amp so it has original tube sound of 30's.
It is using quite cheap valves (PL509)
If you don't need too much power you could build something single-ended from this page (it is in czech language so I used Google Translator for you): http://translate.google.sk/translate?hl=sk&sl=cs&tl=en&u=http%3A%2F%2Fhlava.webpark.cz%2Fjednocinne.html
Especially this one:
It is using quite cheap valves (PL509)
