#doukaudio

Hello all ASR members, Recently, we are going to design a new tube preamp/headphone amplifier. We know that tube devices are not popular here but we really value your opinions, if you have any ideas or concerns please leave your comments, I will convey all to our PD. Thank you in advance! Here...

Hello all ASR members, Recently we have launched a series of TPA3255 digital amplifiers, and we have also received a lot of feedback from audiophiles about adding high-pass filtering. Therefore, we have done some research and designed an A5. The following are the functions and appearances that...