6J1 Tube Preamplifier Module Headphone Power Audio Amplifier board module 2.0 channel stereo 6J1 MINI HIFI AC 12V volume control

Origin:CN(Origin)
Compatible Audio & Video Equipment Style:Speakers
Model Number:6J1 Tube Preamplifier
Bundle:Bundle 1
Weight:91g
Package:Yes

6J1 Tube Preamplifier Module Headphone Power Audio Amplifier board module 2.0 channel stereo 6J1 MINI HIFI AC 12V volume control
This 6J1 is based on X-10D circuit principle design, reasonable optimization, performance is more stable than the machine, tube performance increased by 10%.
Type: 6j1 tube(replacement model 6AK5,6AU6,5654 etc
Channel: 2.0 / stereo
Power input:AC 12V 0.8 A / 5.5 * 2.5 plug
Weight: 82 g
Switch function: the power switch/volume
Size:77 x 75 x 52 mm
Instructions:
6J1 Tube Buffer 0.85 times magnification, connected between the source and before or after class, can effectively filter digital flavor.
1, AC 12V input: The DC3.5 / 5.5 * 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!
2, the left-channel input / right channel input: audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players.
3, the left channel output / right channel output: an audio signal output terminal can be connected to the audio signal input amplifier, power amplifier board.
4, the power switch / volume knob: turn the knob counter-clockwise to decrease the volume beginning, when the volume down to the minimum, if it continues to rotate until the "ticking" sound, then the power off, the light goes off; in the closed state, Turn the knob clockwise to hear "tick" sound, light is on, the power is turned on, then the volume is minimal, then continue clockwise rotation is to increase the volume.
Package include:
1x 6J1 Valve Preamp Tube PreAmplifier Board Bass on Musical Fidelity X10-D DIY KITS