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filament sing

Discussion in 'Wiki' started by derekleffew, May 26, 2009.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Las Vegas, NV, USA
    See lamp sing. Phenomenon whereby an incandescent lamp makes audible noise, due to the vibration of the tungsten cause by phase control dimmers. Large wattage lamps and PAR lamps are especially susceptible. Sinewave dimmers eliminate this unwanted behavior, but at significant monetary cost.
    Last edited: May 26, 2009

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