Salzman Symphony Rosin
Formulated with varying degrees of softness and tack, Salzman Symphony Double bass rosins range from numbers. 7 through 10–softness increases as the numbers go up. Orchestra players might prefer 9 or 10 , while 7 and 8 works well for solo playing. Rosin number 10 is the softest & stickiest rosin, thus ideal for pieces that requires a louder bass projection