Household audio tube amplifierfor 4.2 UF/25V sound board 6J5 HiFi preamplifier

Specifications: Original 6J5 electronic tube and original JRC5532 are used The original 470uF/25V capacitor is used as the main filter capacitor and the imported 1uF capacitor is used as the coupling capacitor. The resistor adopts high-precision resistor chip to ensure good signal-to-noise ratio. PCB adopts 1.6mm thick double-sided board 2.0oz thick copper and all tin spraying process to ensure good high current and low current performance. First class PCB quality. The inlet and outlet are equipped with gold-plated RCA lotus which is durable and beautiful. The circuit board is reasonably designed beautiful and low current features: Power supply: DC12V2A (DC) Dimensions: L 133 x W 89 x H 22 mm (no pipe height) Color: blue Material: plastic Package content: 1 * Magnifying plate Only the contents of the previous package are included excluding other items. Note: Light and different screens may make the color of the article in the image slightly different from the actual color. The allowable measurement error is+/- 1-3cm.