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Crumar drawbar controller with 9 drawbars
drawbar controller with 9 drawbars, with upper/lower manual switch
D9U is a simple 9-drawbar controller. Simple as that. One button on the back lets you switch between two banks of CC numbers that can control either the upper or the lower manual of a clonewheel organ. Compatible with Crumar Mojo / Mojo61, GSi VB3-II and many other products.