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thanks
@RainDan --that clarifies some things... but my confusion is still with how to correlate the color temp' with CRI... if it's the different wavelength balances output that determine the color K, is this not also part or CRI, how the wavelength balance closely simulates true Sunlight? 80 and 90 CRI have slightly different wavelength balance (?), so if there's a difference between them, how does it now affect color K? That's what stumping me!