Cheap tube preamp, Buy Quality preamp tube board directly from China preamp board Suppliers: Assembled LS19 tube preamp finished board, circuit MFA from the United States
Product Description LS19 tube preamp finished board, the line from the United States MFA Reference, three 6922 for amplification of the input stage to join constant current source. Board Size: 220mm × 155mm × 2.4mm Recommended Mating Power Board LSDY Supporting chassis recommended A28 Series Chassis On the price excluding tubes, please pay attention!