HMV
11 models recorded, with the line-output transformer or tripler each was fitted with.
| Model | Parts |
|---|---|
| 2415 | HR 7125 |
| 2452 | HR 6173 HR 7125 |
| 2453 | HR 6173 |
| 9563 | HR 7026 |
| 9653 | HR 7026 |
| C 211 | HR 2110 |
| C 212 | HR 2110 |
| C 221 | HR 2080/10 |
| C 232 | HR 2080/10 |
| CHASIS TX 100 | HR 6173 HR 7125 |
| YELLOW SPOT | HR 7125 |