Bluetooth Tube Stereo Pre-Amplifiers With Treble Bass Tone Adjustment Amplifiers. Using original 6J5 tube, original NE5532. The main filter capacitor uses the original 470UF/25V, and the coupling capacitor uses the imported capacitor 1UF. The resistor uses high-precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and tin-spraying process to ensure good passing performance of large and small currents. The input and output are made of gold-plated RCA lotus seat, which is durable and beautiful! The board layout is reasonable, beautiful, and the current is small. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps".
The seller is "strefor68" and is located in this country: CN. This item can be shipped worldwide.