I had the same experience as Len with my Scepter target bow.

I've been experimenting with string & cable lengths to change the brace height. One experiment with longer strings & cables gave me a brace height approximately 5/8" less. However, the string also slaps my arm. I put on the STSwhich cured this, but it is much louder due to the slap of the string on the STS.

Anybody that's been around a Scepter knows it is not designed to be quiet. With the STS, some of the guys at my club don't want to shoot next to me.