| Albert & Müller Instruments: Testreports |
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| Albert & Müller | Akustik Gitarre 2/96 | German |
| Steelstring S-1 | Akustik Gitarre 2/96 | German |
| Steelstring S-3 | Akustik Gitarre 3/99 | German |
| Steelstring S-5 | Akustik Gitarre 1/98 | German |
| Steelstring S-6 | Akustik Gitarre 4/00 | German |
| Steelstring G-2 | Akustik Gitarre 4/03 | German |
| Mandolin M17 | Akustik Gitarre 4/00 | German |
| Classical CL-2 | Akustik Gitarre 2/98 | German |
| Albert & Müller | Acoustic Guitar US 3/03 | English |
| Steelstring S-5 | Acoustic Guitar Japan | Japan |
| Classical Guitar CL-1 | Akustik Gitarre 1/08 | German |
