When I replace drum heads, I use a glass top table that I know is quite flat. I noticed the original, poorly made, snare hoops were fairly warped. Gibraltar makes very solid replacement drum parts, so I purchased these. The drum is now far more solid and the sound improvement is very clear!
jumping through hoops
These hoops brought an old Ludwig tom to life.
Gibraltar 2.3mm power hoop
I purchased these hoops (12" 6 lug, 14" 6 lug) to replace the stock hoops offered on the Tama Silverstar. they are a bit more rigid than the stock 1.6mm hoop. this offers better tonal quality and even tuning tension on the head. Most drummers prefer the power hoop over the die cast hoop as some may feel that die cast chokes the drum. 2 of my 4 kits have power hoops and they sound great. I can hear and feel a noticeable difference. I also used the same Gibraltar power hoops (12, 13, 16) on an older Tama Swingstar with great results.