Kimball Swinger Organ, anybody?

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I just bought a Kimbal Swinger 700 organ, but couldn't find any info about it through google-searching. Do any of you have any experience with these? It has a built in Leslie cabinet which is quite awesome...I'm wondering if there is some way to patch external sources through it. The organ only costed me $40, and if I can mod the Leslie part to make it fully functional, it will be an unbelievable steal.