As I understand, the extended life halogens simply output less lumens per watt at the benefit of being more durable. Everything is a trade-off.
I'd just rather not mess with filament light anymore. The work light was my Dad's, so when it comes time for me to get my own, I'll go LED.
Spot lights probably should just be an array of many low power LEDs, each producing either red, green, or blue to produce the desired light output. Perhaps it would cost a bit more, but it would be efficient and long lasting.
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