This organ was designed as the minimum instrument required for practice. There is a single keyboard controlling a single rank of pipes. For the first two octaves, these wooden pipes are fully stopped, they then become chimney flutes for an octave before becoming fully open to the top. This arrangement provides for a more varied tonal pallet. The pedal, which is coupled to the first 27 notes of the keyboard, is of a historically based parallel design.
The instrument is composed of four parts: bench, base, keyboard and pipes, and pedal. Disassembly allows for easier transportation for its use as a portable continuo instrument. Because the keys are directly suspended from the pallets, the instrument is not transposable, but the resulting action is light and very responsive.
The addition of a second rank of 4’ principal pipes would make this organ suitable for larger spaces such as a small chapel.