So then one might "get away" with H1s in both positions, running higher wattage bulbs, since they have the cutoff?
Who am I kidding, E9 lights would never blind anyone. Well almost no one.
I put a pair in the wife's Bavaria back in the day. One night a motorcycle, with passenger, was tailing us. Damn bright lights right into my eyes (I was driving that night). I let 'em pass, then flipped on the highs and followed them for a time. heh, heh. Saw some motions that suggested their discomfort. A little give and take on the roads of Hawaii.