Designed by J. Grunberger, but not stamped. Specifications for his German model bow were requested by Gary Karr. It is a bit shorter, specifically weighted to 140-141 grams, and is ideal for the player who wishes to emulate Mr. Karr's famous technique.
Careful research and development of their own high-tech black carbon fiber medium, coupled with designs from top bow makers result in bows that are durable, produce a powerful sound, and are finely finished. This bow is also designed by J. Grunberger, but not stamped so.