Torque Converter High Stall = Loose?

I've posted this before. The avatar's 8" TC that stalls at 5000 rpm never let's you know it's a loose converter unless you mat the loud pedal. Sitting at a light, you better have your foot on the brakes. Backing up, seems like any other TC. Etc, etc. I never had a loose converter "back in the day" so I cannot compare then to now. All I can say is if I had to buy a TC for the avatar again, I would not hesitate to get one with even a tad higher stall speed.
Mind sharing from what company is converter?