Pre Amplifier The most Pre design by Quanghao PRE818 use 4 tube 6h30PI or 6h6Pi or 6DJ8 Please introduce to you a Pre Amplifier designed by me and has been popular in Vietnam 5 years! And is considered one of the best in pre post in Vietnam.
Pre Amplifier The most Pre design by Quanghao PRE818 use 4 tube 6h30PI or 6h6Pi or 6DJ8 Please introduce to you a Pre Amplifier designed by me and has been popular in Vietnam 5 years! And is considered one of the best in pre post in Vietnam.
