Aquarian TCRSP2–13BK Response–2 Texture Coated – Size – 13"The Aquarian Response 2 is a 2 ply head manufactured with Aquarian's multi ply Vacuum Moulding Process that eliminates air bubbles and wrinkles between the two 7 mil plies. The Response 2 series is our most versatile 2 ply head and delivers a full sound with great attack and consistent tone from drum to drum. This model is coated with Aquarian's exclusive Z 100 Texture Coating for added warmth. They can be tensioned tight or loose and have an clean,