6E2 170-250V High Voltage Magic Eye Tube Audio Level Indicator VU Meter

Tube Amplifier 6E2 VU Meter Audio Level Indicator Board + 1PC 6E2 tube, Finished Rectifier filter board.

This item including One new 6E2 EM84 EM87 HU6 6HU8 tube amp VU meter SMD board (33 x 48mm) assembly and One new 6E2 tubes.

The tube illuminates as a charming indicator for all tube and vintage lovers. This board is designed to be connected to power amplifier speaker terminal.

Each board contains a trimmer pot to adjust biasing of the tube(500K) and another trimmer pot to adjust audio input signal strength(100K).

The board requires a supply voltage of 170V-250VDC 10mA，and filament voltage of 6.3VAC (or 6.3Vdc) 350mA.

New tube.

Reminder: Each board can serve one audio channel. For indication of two channels such as stereo, two boards are needed.

Tips: If there is no high voltage DC power supply, and buyers want to use high-voltage AC power supply transformer, the buyers need to increase the crystal diode bridge (or full-wave rectification), so you can work. (Method as the main photo shows)