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HIFI stereo audio amplifier 6N3 Tube PRE-AMP Buffer

2 pieces of PCB board which is 2mm thick in order to protect the circuit and tube better
China 6N3 tube Japan Panasonic high voltage capacitors High-voltage coupling capacitors
1 metal film resistors TAIWAN ALPHA potentiometer The circuit board is wave fiber gold plate
There is the LED at the bottom of the tube It is very beautiful at night
The transformer is tailor-made by ourselves The quality is very good