GVC
11 models recorded, with the line-output transformer or tripler each was fitted with.
| Model | Parts |
|---|---|
| DK 4 M 1448 | HR 46186 |
| DK 4 M 1450 C | HR 46186 |
| FM 1057 | HR 46222 |
| M 1438 | HR 46186 |
| M 1448 L | HR 46186 |
| M 1450 C | HR 46186 |
| M 1454 | HR 46186 |
| M 1454 D | HR 46186 |
| M 1554 D | HR 46186 |
| M 1769 P | HR 46186 |
| MONITOR | HR 46186 HR 46222 |