Am 12.12.2012 um 19:17 schrieb Jean-Pierre Desrochers: > Here is a stereo headphone amp similar to one > I built years ago and it is still rockin' !!! > This is what you need: > http://experimentalistsanonymous.com/diy/Schematics/OOP%20Japanese%20Electronics%20Book/voc-headphone-amp.gif Hm, zero bias current? Doesn't this distort quite a bit? Ingo