6E2 170-250V High Voltage Tube Audio Level Indicator For VU Meter Audio Music Spectrum Vacuum Tube Level Indicator Driver Board Module
This Module needs to be connected to DC 170-250V voltage and 6.3V AC/DC voltage. After connection, please carefully check whether the circuit connection is correct, and then turn on the power supply
6E2 tube drive board, adding input amplifier circuit, can power amplifier audio signal input terminal and power amplifier audio signal output terminal
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