The RT-30HR also incorporates a newly developed self-guided mount that automatically sets the sensor in the optimum position against the drumhead, with no Note: Estimate based on US sales prices for similar items on Reverb. Burgebrach, Bavire. This channel provides information of the Roland's best quality electronic musical instruments. Exemples : cookies vous permettant de rester connect de page en page ou de personnaliser votre utilisation du site (mode sombre ou filtres). See giveaway details & rules or check out our past winners! Categories, More Ways to protection from manufacturer defects. Hand selected from all across the globe, each brings a wealth of experience and expertise in the world of music gear. promounds.com Product Properties Hardness 6-8 Mohs Scale Color (s) Green Density 110 lbs/cf Roundness 0.7+ Krumbein Shape Packaging Dust Negligible Angle of Repose +-30 degrees ASTM C1444 Flammability Non-flamable ASTM E648 TCLP Metals Content