6E2 Tube Amplifier Board DC12V Replacement EM81 Fluorescence Tuning Indicator Amplifier 6E2 Drive

Features:
1. High-sensitivity 6E2 tube driver board kit, adding a first-level input amplifier circuit, which can be connected to the power amplifier audio signal input terminal and power amplifier audio signal output terminal, adjustable resistor VR1 to adjust the input signal amplitude, VR2 to adjust the cat`s eye tube fluorescent height. 2. Make the board size as small as possible without affecting the normal function of the circuit, to facilitate friends to modify, and occupy the chassis space as small as possible! 3. All the circuit components use straight plugs, which are more harmonious in appearance, even if they are installed outside the case.
Package Included:
1 x 6E2 Tube Amplifier Board DC12V