PROFESSOR
11 models recorded, with the line-output transformer or tripler each was fitted with.
| Model | Parts |
|---|---|
| CTV 371 | HR 8466 |
| CTV 371 T | HR 8466 |
| CTV 511 | HR 8649 |
| CTV 511 T | HR 8649 |
| CTV 521 | HR 8358 |
| CTV 551 T | HR 8358 |
| CTV 552 | HR 8358 |
| CTV 552 T | HR 8358 |
| CTV 553 | HR 8358 |
| CTV 553 T | HR 8358 |
| TVC 37" | HR 8915 |