Canadian headquarters of Duplium.
Mastering SID codes: LJ21, LJ22, LJ23
Mould SID codes: V5**
Discs manufactured by Duplium can be identified by "DUPLIUM" in the matrix area. Most releases have a sequential catalog number with a two-number prefix in the matrix, eg. Bahaneh (DUPLIUM 10-02277-LJ21). This catalog number, including the prefix can be entered to LCCN as Duplium catalog number.
Sometimes glass mastering and pressing duties were shared between Ontario and Texas plants, with glass mastering being done at one location and pressing at the other. If Duplium is mentioned in the matrix, it can be listed to LCCN with Manufactured By role.
Examples:
Roll It Down
Matrix / Runout: MADE IN CANADA 10-69484-LJ22
Mastering SID: LJ22
Mould SID: IFPI V502
Glass Mastered at – Duplium, Vaughan, ON – 10-69484
Pressed By – Duplium, Vaughan, ON
Sir Army Suit
Matrix: Mfg by DUPLIUM 10-71974
Mastering SID: IFPI LM61
Mould SID: IFPI V504
Manufactured By – Duplium
Glass Mastered at – Duplium, Carrollton, TX – 10-71974
Pressed By – Duplium, Vaughan, ON