I am leery of any of those type of machines. Record masters are stamped on plates and then pressed from plates. This reminds me of the old ones you could go in the store and cut your own records for a fee. Usually the quality sucked and the records are inconsistent with groove depth, even motor speed variations can affect the recording. Putting a blank on a plain DJ platter with no clamp is a no no. I don't see these as ever being commercially viable for the general public but I give them credit for trying