FA,
In our case, since we change our tubes on a yearly (average) basis, it doesn't really matter. T5s were designed to last a lot longer than that more like 2 years. These are usually used in offices or factories in Europe, and are not changed until the tubes burn out. That's why they need the longer lifespan. And that's why even cheaper ballasts like the Elbirus should be fine for us.
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Originally Posted by flame angel
Can those who used it verify this? A really good ballast would have a warm start when the light is being switch on, in this way the lamp life span will be longer & protect the tube from being blown off.
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