A short while back, i bought a spherical SBMV lamp from Philips at a local scrap/recycling company. The etch is ML160. The wrapper says MLL160. But that other number (57...) that's on there, corresponds with what's on the lamp.
I'm now confused. Do i have the lamp with the fluorescent coating or not? It does not appear fluorescent - i can't see a hint of the red or pink color i know from normal coated MV lamps, neither do i see phosphor spectrum lines when looking through a spectroscope, only the ones from mercury and the incandescent continuum. The etch on the bulb also corresponds with non-fluorescent ones. But the wrapper does seem somewhat original to the lamp. I did not see any other lamps or wrappers in the heap of bulbs that i pulled this one from.
The lamp works well and gives a very interesting kind of light. It's cool white but it's also a bit 'off'. Most definitely a much 'worse' color than from my 1970s or 80s MLR160, which gives a highly pleasant kind of light.
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« Last Edit: March 24, 2024, 09:03:42 AM by Laurens »
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