| Type(s) | Production period | A | A | B | C |
| TR 2025 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2045 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2055 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2060 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2075 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2075 Mk II Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
| TR 2080 Stereo Receiver | n/a | n/a | n/a | n/a | n/a |
