In some cases this would be a sort of DRM, sure. But it certainly wasn't universal. Most smaller-midsize distribution houses just used something like this: htt

In some cases this would be a sort of DRM, sure. But it certainly wasn't universal. Most smaller-midsize distribution houses just used something like this: https://www.awp1.com/st.html https://www.awp1.com/st.html Or, if they were very small, they would just use multiple smaller scale devices that could do 2-4 copies at a time, like this: https://pbs.twimg.com/media/Dgr_J-NUEAAHZ0I?format=jpg&name=large https://pbs.twimg.com/media/Dgr_J-NUEAAHZ0I?format=jpg&name=... Some of the expensive ones of these could do magnetic signal copying, but most just did sector-by-sector. At least, that's my understanding. Bit before my time.