Shuguang tube amplifier 300B tube amplifier single-ended tube amplifier tube amplifier HIFI
Advantages in sound quality:
First, there are many types of tubes, and the same type of machine is rare. The machine has a total of seven tubes and uses a high-power rec..
fd422 tube amplifier tube power amplifier fd422 a single-ended tube amplifier
Black models: Iron sprayed plastic case (earphone model) randomly send a 6.5 to 3.5 headset head
White models: stainless steel case
The delivery comes with 5 tubes: 1 Da..