1.Using a 6j1 electronic tube.
2. The main filter capacitor uses imported 1000UF / 25V, and the coupling capacitor uses imported 1UF capacitor.
3. The resistor uses a 1% five-ring metal resistor to ensure a good signal-to-noise ratio.
4. The PCB adopts 1.6mm thick double-sided board, 2.0oz thick copper and tin spray process to ensure good current performance. First-class PCB quality.
5. In and out wear a durable and beautiful gold plated RCA lotus seat.
Power supply: DC12V,2A
Material:Metal + pc
colour:blue
Package Contents:
1 * 6J1 Tube Preamplifier BoardOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.