In my experience, you will have convergence troubles. I messed with a 20" tube in a 4900 for days and could not get it right. Finally swapped in a 19" and was able to dial it in easier.
In my experience, you will have convergence troubles. I messed with a 20" tube in a 4900 for days and could not get it right. Finally swapped in a 19" and was able to dial it in easier.