I'm sure, he can probably supply you, with any tube, available. This is one of the most respected names, in tubes, so you cannot go wrong. There is nothing wrong, with new production tubes, its just that their consistentcy, of manufacture, is not up to the same standards, as tube makers, of the tube heyday. But as far as sonics go, a beautiful sounding tube, is a beautiful sounding tube, regardless, of when, or where, it was made.