Mine is a "Hercules" with 4 positions and an fine adjustment wheel. Other than that, it is the same. My middle adjustment is 22".


https://www.amazon.com/Hercules-KB200B-Keyboard-BENCH/dp/B0035FZMXM


Edited by Bernie9 (09/02/17 12:33 PM)
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pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact