• DavidE126 commented on tubfun's instructable Replacing a CO2 laser tube8 months ago
    Replacing a CO2 laser tube

    i have a 50watt co2 laser i bought from ebay. i went through two power supplies so far that lasted only two weeks on each power supply. i found out that the the wires to the laser tube were just twisted on and not soldered on. i think this might be the problem?anyone know how to convert the power inlet from 120v to 220v .

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