I'm not quite sure what kind of sound it is you're looking for, nor do I know much about drums, but have you tried maybe tightening the snare?
not possible, even if the head was the right size the marching snare heads require alot more tension it would break most drumkit snares which is why marching snares are longer, the wood and the rim are thicker
It is almost impossible to completely get rid of snare drum buzz. Electric Roland kits like the TD-12 and TD-20 allow you to turn snare buzz on so when you play the toms and bass there is a slight snare buzz. Roland has this option because there is u...