6J2P Valve Preamp Tube Kit
Wanna build your own valve preamplifier for your home entertainment system etc.? You can always look at this one.
Channel type: 2.0 / Stereo
Working voltage: AC12V 0.8A or above
Power connector: 5.5 x 2.5 plug
Board Dimensions: Width 77mm x Depth 75mm x Height 57mm
1.AC 12V input: DC5.5 * 2.1 socket, with AC 12V transformer, if you want to use plug-free AC 12V transformer, you need to wire the power cord soldered on the circuit board. Remember: can not use DC power input, otherwise it does not work!
2.Channel input: for the audio signal input, you can connect the phone, computer, MP3, MP4, and other music players.
3.Channel output: for the audio signal output, can be connected to the amplifier, power amplifier board audio signal input.
4.Power switch / Volume knob: Turn the knob counterclockwise to begin lowering the volume. When the volume is turned to the minimum, if you continue to rotate until the tick is heard, the power is off and the indicator is off. In the closed state, Clockwise rotation, hear the tick, the indicator light, that power has been turned on, then the volume is minimal, and then continue to clockwise rotation is to increase the volume.
How to use:
6J1 tube buffer 0.85 times magnification enlarge, connect the sound source and the former level or after the class,
can effectively filter digital flavor, the human voice is relatively good.
Notice: This is DIY Kits, need to be assemble by yourself!
6J1 tube (can replace the model 6AK5, 6AU6,5654, etc.)