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6J5 tube tone preamp Bluetooth 4.2 Bluetooth 5.0 APTX machine
Please note: APTX is only supported in the pre-Bluetooth 5.0
product details:
1: Original 6J5 tube, original NE5532
2: The main filter capacitor uses the original 470UF/25V, and the coupling capacitor uses the imported Philips capacitor 1UF.
3: The resistor uses high-precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.
4: The PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and the whole process of tin-spraying ensures the good passing performance of the current. First-class PCB quality.
5: The input and output are gold-plated RCA lotus seat, which is durable and beautiful
6: The board is reasonable in wiring, beautiful, and low current
Basic parameters:
Power supply: DC12V2A (DC) needs to be regulated by 12V, not higher than 12V
Net weight: 0.5KG
Machine size: length 137* width 104* height 41MM (without tube height)
Panel function: switch treble adjustment bass adjustment total volume
Bluetooth 4.2 amplifier machine picture:
Bluetooth 5.0 amplifier machine picture: