100% European BirchBecause of its sound characteristics – balanced in low, mid and high – birch shells provides the most versatile sounding drum.That''s why it''s very popular for studio recordings as well as live performances. And the sound goes onThe new Sound Sustainer technology enables complete isolation of the metal mount and the wooden shell.This guarantees a particularly long lasting and clean decaying sustain. Features 100% European Birch shells BD shells: 10 ply, 10 mm SD, TT & FT shells: 7 ply, 7 mm Tunesafe system - maximum tuning stability CLTF tension-free shell forming process OSM slightly narrowed outside shell measurements 45° bearing edges Sound Sustainer mounting system on all tom toms and floor tom leg brackets Dual Glide snare strainer mechanism 4 different matte lacquer finishes Bass drum hoops with different finishes (Natural Beech and Walnut) All bass drums without mount Remo USA Ambassador Coated batter heads and Ambassador Clear resonant heads (snare drum, tom toms & floor toms) Remo USA Powerstroke P3 Clear batter head Powerstroke P3 Fiberskyn resonant head with “off-set” SONOR logo (bass drums) Specifications Series: SQ1 Finish: cruiser bluematerial birch Construction: 7 plies, 7 mm Shell hardware finish: chrome plated Item description: SQ1 1007 TT CRB Diameter: 10 Depth: 7 Features: with power hoops WATCH: SQ1 Technical Details :: Sound Sustainer Technology