The B6 is an exception to the BERLIN Series when it comes to its weigh as it is on average 3-4gr heavier than the other models. It maintains a very round, warm, romantic sound, which off course is the character of this series but the extra weigh adds a full, direct and overwhelming sound to the sound Texture due to the Extra-Large Cork Core. This IS one of the BEST Timpani mallets I have played so far! Absolutely mesmerizing!!!