Sarngk AC 12V 1A 6J1 Value Preamp Tube Preamp Amplifier Board PreAmplifier Headphone DIY Kits

Product description

• 6J1 Tube Buffer 0.85 times magnification, connected between and before or after class, can effectively filter digital flavor.
• FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage.
• AC 12V input The DC3.5 5.5 x 2.1 socket, 12V AC power adapter, if you use non-plug AC 12V transformer, power cord need to solder on the circuit board. Remember You can not use a DC power input, otherwise it does not work!
• the left-channel input right channel input audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players.