Roland's First Rhythm Box

Roland's first product. Is t stands for transistor rhythm, fransister rhythm. It was basically an up dated version of one of the earlier a stone rhythm boxes. T allowed users to merge patternsit had independent volume controls for each instrument. In their first year, the company made 300 thousand dollars. Let's just type that into an inflation calculator. That's roughly two million, 17 thousand, 808 dollars and 61 cents in 20 22. After the tr 77 came the tr 33, r 55 and t r 700 rhythm boxes.