6J1 Valve Preamp, Vacuum Electrom Tube Preamp Valve Preamp Amplifier Board Audio Amp Assortment Musical Fidelity Kit

★ Application 』- Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor. Tube amplifier produces a warmer or more valve sound, make music and human voice is relatively good.
★ 『Function』 - Using DC 5.5 * 2.5 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board.
★ 『9 Pcs』 -9 Pcs 50V 470UF capacitor filter is very clean, excellent power system to no hum, filaments are powered with AC 12V and need to be connected in series in order to reduce noise.
★ 『Feature』 -Excellent power supply system to ensure that the Nine 470UF capacitor filter clean, tube filament is connected in series, DC 12V power supply, reducing noise.
★ 『Electrodeless』 -Coupling capacitor is electrodeless electrolytic.

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