Hmm. In my mind I was thinking dimmable meant the selectable watt equipped ballast. Not the 100%,75%,50% deal.
Mine has 340, 400, 600, super lumens.
I run the lamp appropriate for the setting. Ie 400w lamp on the 400 or 340 setting. 600 for the 600 and SL. The 1000watt experiment was just...