CV NUMBERED TUBES
| Type Number | Equivalent | Equivalent | Condition | Manufacturer | |
| CV137 | EAC91 | NOS | Mullard, Philips | ||
| CV138 | NOS | Ediswan | |||
| CV287 | KB/QG | QS150/15 | NOS | EE, Mullard | |
| CV345 | 12E/1 | NOS | ITT, ANC | ||
| CV372 | FX227/BT79 | KB/Q | NOS | EE | |
| CV449 | 5651 | OG3, 85A2 | NOS
P/O |
Various | |
| CV797 | 2D21 | NOS | Unbranded | ||
| CV2179 | A2134 | NOS | Marconi | ||
| CV3998 | 6688 | E180F | NOS | Electron Enterprises | |
| CV4039 | QV03-12/CV2129 | 5763/M8096 | NOS | Brimar | |
| CV4055 | 233/730 | 6132 | NOS | Brimar, Mullard | |
| CV5060 | Z759 | NOS | GEC | ||
| CV5077 | 233/597 | PL81 | NOS | Mullard |