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  1. W

    Super X-Driver with 33% efficiency.

    Hello, I bought a diode with driver from DTR and measured the power consumption. It showed 10w for a 2.7w diode. The diode is a NDB7875 445nm and the driver is a Super X-Driver/1.6A-2.4A/6V-9V 2A+. Is it supposed to be that inefficient? Does it supposed to have thermal paste going to it as 7w is...
  2. W

    Hello, new to lasers

    Hello, I am new to lasers. I know laser safety (general) I need a place to buy these laser power meter safety glasses for blue lasers 1-3 W laser (for burning) Batteries for the laser
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