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Same as model AB but with different 'church' style cabinet woodwork.
Cabinet has closed back and sides, extending to the floor.
Tones go up to a high B (around 8,000Hz), then foldback.
Foldback note: 16' goes all the way down, the higher harmonic in the mixture drawbars does not foldback.
Over the years, their have been many companies who have produced their version of a Hammond organ.