After the acquisition by Behringer (MUSIC Group), production shifted largely to China and the Philippines. Serial numbers became more standardized, often following a or YYWW#### logic (Year, Month, Day, or Year, Week). This includes modern pedals (Hall of Fame 2, Flashback 2, Plethora X5), desktop interfaces, and broadcast gear.
A guitarist buys a used TC Electronic Hall of Fame 2 from a secondhand shop. Action: They type the S/N (20)9876543 into the decoder. Result: tc electronic serial number decoder
Why? Because TC Electronic has changed ownership (acquired by Behringer/Music Tribe in 2015), moved manufacturing multiple times (Denmark → China → Vietnam), and used at least five different serial number formats depending on the product era and type. After the acquisition by Behringer (MUSIC Group), production