Ge Lamps User Manual download pdf (Page 87)

GE LIGHTING - ENTERTAINMENT LIGHTING CATALOGUE

Approximate Initial Lumens

The value shown is based on spherical photometry, at rated voltage, of lamps that have been

seasoned for approximately 15% (or a minimum of 2 hours) or more of their rated average life.

Approximate Colour Temperature

The radiation within the visible spectrum from tungsten filament lamps is similar in spectral

distribution to that from a “blackbody” at specific colour temperatures. The Colour Temperatures

shown are approximate initial values in Kelvin (K) for lamps operated at rated voltage.

As the spectral distribution of MARC lamps does not conform to that of a “blackbody”, the values

shown are ‘correlated’ colour temperatures expressed in Kelvin.

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Ge Lamps User Manual Page 87