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  • Decent cool white bulb

    posted by AntonKk on 02/12/2012

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    A good kind of cool white, not irritatingly blue as some other lights.

    Good price per lumen.


    DC only (no rectifier inside). Very dim and/or flickering on AC.

    Glass body (potentially brittle).


    Equivalent to (or slightly exceeds) a 20W halogen, but the light is spread over ~110° (very wide) - good for recessed ceiling lights but not for spot fixtures.


    Use it if you have DC power supply in your system, or fit a rectifier after the transformer. The bulb is polarized - if it doesn't work, plug it the other way.

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