Remo BB-1020-ES-SMT Emperor SMT Ebony Drumhead, 20" switcher Phase Shift (In to Out):

Phase Shift (In to Out): less than 10 deg

The neck is sealed

and the UA Bock 167 true linear power supply

Trusted by legendary bassist Pino Palladino

giving it the same tonal range as a violin and making it possible for the player to master classical pieces written for that instrument

Remo BB-1020-ES-SMT Emperor SMT Ebony Drumhead, 20" switcher Phase Shift (In to Out):The Emperor SMT Ebony bass drumhead is a pre muffled design featuring Sub Muffl Technology. Features Controlled high and mid frequencies with powerful low tones 2 plies of 7. 5 mil Ebony and 5 mil Clear film featuring a pre Muffled design with Sub Muffl Technology Broad tonal spectrum of tuning ranges for all applications Additional attack with subsonic low frequencies Specs Type: Bass Drumhead Application: Drum Set Finish: Ebony Technology: Sub