Линейная магнитная трубка и усилитель мощности

Feature: 1. Use two EL84 as the power tube and one 12AX7 as the preamplifier tube 2. With Bluetooth connection function 3. Specially designed EI type power transformer, the working condition is more stable and smooth 4. Three-position impedance switch to freely match different headphones: 8-100Ω 100-250Ω 300-600Ω 5. Adopt pure manual tenting technology 6. High-quality gold-plated RCA signal terminals reduce audio transmission loss and are more stable Product parameter...