The tiple has many different variations depending on which part of America (mainly South America) they are from. The Regal tiple is of the North American variety developed by Martin in around 1919. It is similar in size to a tenor ukulele but has ten steel strings arranged in four courses. Typical tuning is A4/A3, D4/D3/D4, F#4/F#3/F#4, B3/B3. This tiple is currently unplayable as it needs repairs to the headstock.