Fully midified Gulbransen Rialto K Theatre Organ with two Isomonic Leslie speakers (102 & 103), Keyboard Systems Midi Controller, two 61-note wood core keyboards, 25-note pedalboard, and matching walnut bench.  Ideal for your Hauptwerk project, but on its own merit the Rialto K design culminated years of research and development to create a beautiful theatre quality Isomonic sound system with golden voiced tibias.  By adding Hauptwerk to this midified organ you can have the best of both worlds!  This organ is the 1135 model which contains the additional features of celeste, piano and "wah wah" knee lever.  Pipes not included.  All offers considered.  Let's deal!