The Aquarian HF Hi-Frequency family of heads is perfectly suited for light, sensitive playing. or when trying to get a bit more high-end from a batter or bottom reso-head. The thin 7mil Nu-Brite film accentuates the higher frequencies in the drum and produces a brighter response. The 7mil HF line brings out higher frequency overtones with a clean and choke-free response. The White Aquarian Texture Coating brings a bit more warmth to this model.