What is "ddrum"

ddrum is an American based Swedish company, currently a division of Armadillo Enterprises, Inc. that manufactures acoustic drum sets, electronic drum sets, and Electronic Triggers.

Ddrum was originally a brand of Clavia, makers of the Nord series of keyboards and synthesizers. In 2005, the company was sold to Armadillo, who expanded the brand from only electronic drums into a wider range of products.