Official Pro-Ject Part, works with older AC US models:

• Pro-Ject Debut Carbon (Non DC Models)
• Pro-Ject Debut Carbon USB
• Pro-Ject Essential 
• Pro-Ject Essential II
• Pro-Ject Xpression Carbon
• Pro-Ject Debut
• Pro-Ject Debut II
• Pro-Ject Debut-II-Phono (SB)
• Pro-Ject Debut SE II
• Pro-Ject Debut III
• Pro-Ject 1.2
• Pro-Ject 1.2.E
• Pro-Ject 1 Xpression
• Pro-Ject 1 Xpression II
• Pro-Ject 2.9 Classic
• Pro-Ject 2.9 Wood
• Pro-Ject 6.9
• Pro-Ject Perspective/Perspective II
• Pro-Ject RPM 4
• Pro-Ject RPM 5
• Pro-Ject RPM 6/RPM-6SB
• Pro-Ject RPM 9 (9X, 9XP)
• Pro-Ject RPM 10
• part # ET-0184 (previously 6418 412 002)
• AC 15V 1A