Hifi Fever 6J1 Tube Preamp Amplifier Board Dual Channel Class a Volume Control Adjustment Tone Preamplifier

1, AC12V input: use DC5. 5 * 2. 1 socket, connect AC12V transformer input, remember: can not DC power input, otherwise it does not work.
2, left and right channel input: for audio signal input, you can connect to mobile phone, MP3, mp4 and other music players.
3, left and right channel output: for the audio signal output terminal, can be connected to the amplifier, the audio signal input end of the power amplifier board, to provide a bizarre music enjoyment for the later stage power amplifier!
4. Power switch/volume knob: In the closed state, rotate the rotation clockwise to hear a ""tick"" sound, the indicator light is on, indicating that the power has been turned on, then the volume is the smallest, then continue to rotate clockwise is to increase volume. Turn the knob counterclockwise. At the beginning, the volume is lowered. When the volume is turned off to the minimum, if you continue to rotate until ""tick"", the power is turned off and the power indicator is off.

This preamp tube amplifier uses A1013, C2383 triode power amplification, with the electronic tube 6J1 can achieve sound detailed, warm, mellow, strong bass full strength, rich midrange, soft and soft treble.
This product uses AC 12V power supply , the output audio signal can be directly used for various post-level digital power amplifier board.
Type: tube amp amplifier
Channel: Dual Channel
Impedance: 4-8 ohm
Power supply: AC12V
The PCB board change to green color, but the function is same.
size: 8.1 x 8.1 x 4.3cm
Material:ABS
colour:As shown

Package Contents:
1 x Preamp Amplifier

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.