Originally Posted by
Tywash
I copied a part of a quote from another thread "Dynas had Dyna's SKIP control. Spindle amplifiers came in a couple different versions during those years. They switched to the Mitsubishi controls around 1992 as they got into the bigger machines. By 1997, they were using their own PC based controls.
Dyna had a kit to retrofit an AMC amplifier to run the spindle on the early SKIP control 4000/4400. You can try callling Dyna to get info. They are in Santa Clara, CA."
Hope it helps