Well I ain't so clever. I think there is some blooming and loss of focus at higher brightness settings. So I thought I would recheck that using the 12 volt input. Unfortunately I don't know my left from my right! Yes, I've just killed it.
There is a little 2 amp fuse in the 12 volt line so I might be lucky. Now would the fuse blow faster than the semiconductors? Hmmm??
Peter
