Upgrade NE5532 Buffer Preamp Stereo 6J5 Tube Preamplifier

1. Using original 6J5 tube, original NE5532

2. The main filter capacitor uses the original 470UF/25V, and the coupling capacitor uses the imported capacitor 1UF.

3. The resistor uses high-precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.

4. 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. First-class PCB quality.

5. The input and output are made of gold-plated RCA lotus seat, which is durable and beautiful!

6. The board layout is reasonable, beautiful, and the current is small.

Specification:

Power supply: DC12V 1A-2A ( needs to be regulated by 12V, not higher than 12V)

Machine size: about 129* 100* 35MM (without tube height)

Panel function: switch treble adjustment bass adjustment total volume

Bluetooth : 5.0

Package Includes:

1x 6J5 Tube Preamplifier

Note:

1. This finished machine is a preamplifier, amplifier. It should be used with a post-amplifier or an active speaker. It is not allowed to directly connect passive speakers, speakers and earphones to the power amplifier; if it is not used, burnt if the voltage is unstable. It doesn't support phonograph connection, it can't work to connect to the phonograph and may also damage our products.