EVANS TT13EC2S [EC2 Clear 13] [2ply, 7mil + 7mil] MONO 81mm) and the backbore is

81mm) and the backbore is #25

Perfect for when you want to create a delicate finish on snares and cymbals

tight sound

A film called a black dot is attached to the center to cut out excess overtones

EVANS TT13EC2S [EC2 Clear 13] [2ply, 7mil + 7mil] MONO 81mm) and the backbore isWe are a drum head manufacturer that produces highly uniform drum heads using innovative ideas and computer control. Finish: Clear Thickness: Two ply, 7mil + 7mil Size: 13 inches The EC2 offers a wide dynamic range and, like the G2, is a highly popular tom head. The EC2 utilizes Evans' proprietary Sound Shaping Technology (SST), with a harmonic control ring positioned under the film that maintains overall sustain and tone balance without interfering