Evans Reso 7 13” Coated Tom Drumhead iOS/iPad we are talking about the

we are talking about the vertically suspended magic of the Fender Vibratone

allowing players to quickly customize their kits

Impedance Ratio (input to output): 133:1 
Frequency Response: 20Hz-20kHz ±1dB 
Level Change: (input to output): -20dB

But more specifically

Evans Reso 7 13” Coated Tom Drumhead iOS/iPad we are talking about theEvans Reso 7 series features a single ply of coated 7mil film for a warm, full tonal response with a shortened sustain without the need for additional muffling. For over 40 years, Evans has been a pioneer of drum head manufacturing and design. Known for innovative designs such as EMAD, EC2S, and the Hydraulic series, Evans drum heads are made in the USA in a state of the art manufacturing facility. Acquired in 1996 by D'Addario and Company, the global