The dpa 300B is an unique Highend Hifi poweramplifier. It is not Single Ended or Push Pull, but uses a differential (balanced done correctly) amplifier circuit topology to provide the best sonic attributes of both, without their weaknesses.
"The combination of the Vacuum State dpa300Bs with the MaxxHorns was a marriage made in heaven. All the problems that I had heard on my initial listen disappeared. With the dpa300Bs, the sound was coherent, detailed, dynamic. This was easily the best sound that I had heard at the show. After half an hour of listening I had to leave in order to meet some friends for dinner. I had just left the room and was saying good bye to Allen out in the hall where he had been conversing with one of the Rhino people when I suddenly heard Bela Fleck's Flight of the Cosmic Hippo coming from the room. I know and love this bass guitar piece and use it as my test track when demoing subwoofers. Back into the room I went. What I heard was the best sounding Cosmic Hippo I have ever heard and I have heard it on quite a few systems inclu