Norman, Oklahoma University of Oklahoma Catlett Music Center - Practice Room Wahl Organbuilders 2013 3 manuals, 4 ranks ___________________________________________ MANUAL III 8' Claribella 61 4' Flute 61 * MANUAL II 8' Principal 61 4' Flute -- * MANUAL I coupler manual PEDAL 16' Bourdon 32 COUPLERS III/P II/P II 8ve/P * alternatively available [Received from Steven E. Lawson 2014-12-04]View Full Instrument Details