EVANS BD20GB4 [EQ4 Clear 20 / Bass Drum] [1ply, 10mil + 10mil ring] Jo-Ral and continued to improve them

and continued to improve them

5dB Dynamic Range +22dBu Line Input Extended Low Frequency Response Less than 0

and beautiful tone

"They're easy to install

EVANS BD20GB4 [EQ4 Clear 20 / Bass Drum] [1ply, 10mil + 10mil ring] Jo-Ral and continued to improve themWe are a drum head manufacturer that produces highly uniform drum heads using innovative ideas and computer control. Finish: Clear Thickness: 10mil + 10mil ring Size: 20 inches It features a specially designed 10mil film, single ply, and an internal harmonic control ring with a width optimized for head sizes from 18 to 26. This gives you a balanced, clear bass drum sound without sacrificing bass.