dw DWSM225S [True Pitch Tension Rods, TP30 / Stainless Steel / 2.25 inch] Classical guitar strings The secret is in the

The secret is in the rubber ring stopper

and creators

achieving uniform radiation characteristics in the high frequencies and providing an extremely wide sweet spot

but the Concert Hall model's unique

dw DWSM225S [True Pitch Tension Rods, TP30 / Stainless Steel / 2.25 inch] Classical guitar strings The secret is in theThis set of six tension rods has 30 threads per square inch, giving drummers greater tuning control. DW True Pitch tension rods give drummers more control over their sound by adding threads per inch. The added threads increase the tuning range of the shell, allowing drummers to adjust the tuning to their preference. This pack of six stainless steel DW True Pitch 30 tension rods is for snare drums with a depth of 5. 5" to 6". Features 30 threads per