NE5532 DC12V2A Bluetooth 4.2 HIFI Preamp 6J5 Home Tube Amplifier Fever Bile Preamp Tone Board 470UF/25V
- The main filter capacitor uses the old 470UF/25V, and the coupling capacitor uses the imported Philips capacitor 1UF.The resistor uses a high-precision chip resistor to ensure a good signal-to-noise ratio. uses 1.6mm thick double-sided sheet, 2.0 oz copper thickness, spray tin full process, to ensure good passing performance of large and small current. First-class quality.Input and output with -plated RCA lotus seat, durable and beautiful!
