I'm renovating the kitchen, and want to use the small dichro lamps. Opinion
seems to be split: 220 volt, or 12 volt? Some say the transformers are
unreliable, and go for 220v type. Seems fair to me. What are the
advantages/disadvantages of both?
Thankful for any input!
Oh dear. They really are totally unsuited for general purpose
lighting, and although the lamps themselves are not very low
efficiency, using them for general purpose lighting works out as
about the worse efficiency lighting you could possibly design.
12V are more efficient (even allowing for transformer losses).
12V lamps are available in a wider range of power ratings and beam
angles, and some smaller physical sizes. They last longer than
mains lamps, and they are cheaper to replace.
240V are lower initial installation cost as no transformer required.
That's true. I've got 6x20w in my bathroom which replaces a single 60w bulb.
Got about 9 in the kitchen at 50w each which replace 6x60w bulbs, but
because they are located over the work surfaces the quality of lighting is
excellent, very little shadowing at any angle.
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