Source 4WRD™ Watt Reduction Device from ETC converts full-sized Source Four ellipsoidals from tungsten to LED, yielding a 70% savings in power usage, 73% reduction in heat output, and eliminating the need for replacement lamps. At 155W, Source 4WRD LED is as bright as a 575W HPL extended-life lamp, with a 350% increase in efficacy. It accepts two types of dimming control: DMX or line-dimming. etcconnect.com
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