A couple weeks ago I bought the Elinchrom Quadra which is a battery pack flash system. I bought them to go between my Nikon SB-900 speedlights and my Elinchrom Style RX 600 monolights. My other battery pack light system I have is the Elinchrom Ranger RX.
I have a couple upcoming shoots where I was planning on using the Quadra's so I bought the Elinchrom Maxilite to use with the Quadra or with the other Elinchrom lights. The Maxilite is a 16" wide, deep reflector. Elinchrom doesn't make a grid for it, so I ordered a grid from Honeygids that I got on Thursday.
On Friday I took a shot of the Elinchrom Maxilite on a Style RX 600 monolight. The light was about 10' from the wall shot at f/11. Next I put the grid on the Maxilight and measured the light at the wall. It was 6/10 of a stop lower than without the grid. The second shot was taken after I put the light back up to f/11. The grid sure does keep the light confined.