Vacuum tube tester, Duokit 3 with front panel
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Vacuum tube tester (Duokit 3 mother board) with the front panel.
1 x Vacuum tube tester KIT *
1 x 4-6.3V/4A heating power
1 x complete front panel and cables
* Vacuum tube tester KIT list:
1x main board
1x LCD display
1x 0-115-230v 10VA transformer
1x AC-DC 9V 1.2A power supply
1 set wires (with potentiometer and switch)