The HIR 9011 replaces a stock 9005/ HB3 bulb.
The HIR 9012 replaces a stock 9006/ HB4 bulb.
These are a unique product, the only bulbs available that use the research technology that General Electric patented in 2000 (patent number 6,087,775). It was GE's goal to create a bulb that produced 75% of the light output of HID headlights at 25% of the cost. GE sells HIR bulbs for residential lighting and specialized projectors, but decided to stay out of the automotive market and licensed this technology to a division of Toshiba. These are Toshiba bulbs. In fact, Toshiba and GE are among the few companies in the world with the expertise to engineer and build this product. These bulbs attain light levels 75% to 110% brighter than stock as a result of an engineering process that deposits multiple, yet almost invisible, layers of semi-reflective coating on the inside of a specially shaped quartz bulb. This coating (a titania/silica, zinc oxide/silica, zirconia/silica, silicon nitride/silica, and titania/magnesium fluoride tantalam/silica multi-layer dielectric, according to the patent) reflects a portion of the infrared energy emitted by the filament back onto the filament, causing it to glow brighter and emit more light from the uncoated forward portion of the bulb. Although the filament gets hotter, the glass does not. IT GENERATES NO MORE HEAT THAN A REGULAR HALOGEN BULB, AND IT DRAWS THE SAME WATTAGE AND AMPERAGE AS THE STOCK 9005 or 9006 BULB IT REPLACES.
These bulbs produce white light, rated at 3600 Kelvin color temperature, slightly whiter than the 3250K stock halogen bulbs. They do not attempt to imitate the bluish appearance of HID (High Intensity Discharge, or Xenon) bulbs. The blue halo of original-equipment HIDs comes from the high voltage arc of energy between electrodes, which emits a minor amount of long-wave UV light. Putting a blue coating on a regular bulb actually reduces light output. For a discussion of this issue, see http://www.danielsternlighting.com/t...e/bad/bad.html .
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