When it comes to plasma lamps, the bigger the better. We have already covered plenty of impressive plasma toys here. These 20 & 28-inch Phenomenon Plasma Tubes are also worth a look. They were made a couple of decades ago. The design seems to be inspired by thermometers. You can put these on your desk or hang them on the wall.
Super Rare 20 & 28-inch Phenomenon Lightning Plasma Tubes -- Gadgetify
These plasma lamps are not sound reactive but look still trippy. They can excite neon and other gases.
[HT] [where to find it]
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