ITEM NAME:6J1 Valve Pre-amp Tube PreAmplifier Board AC 12V Headphone Amplifier Module DIY.1 6J1 Valve Pre-amp Tube Board DIY Kit. The coupling capacitor adopts Taiwan FARAD non-electrode capacitor, high frequency and low resistance electrolytic capacitor. British music fax x-10 is the product launched in the mid-1990s, excellent sound effect, unique appearance is also people love, put on the market caused quite a stir.
