What's the difference between duplication and replication?


Starting with pre-manufactured blank recordable discs, the data is “burned” onto the discs one at a time.


Starting with a glass master that contains the data for the disc, a metal stamper is formed. The stamper is loaded into a molding machine and molten polycarbonate is injected into the mold thereby manufacturing the disc with the data stamped into the disc. A reflective aluminum layer is applied and the discs are printed with artwork.

There is no data difference between a processed duplication and a glass mastered replication disc. But, there are some differences and sometimes they do have an impact. The reality has more to do with the playback equipment than the manufacturing process.

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