| Manufacturer | Part Number | Description |
|---|---|---|
Philips Semiconductors (now NXP Semiconductors) |
ECC88 | 1958 Double Triode |
| Unknown Manufacturer | ECC88 | Amperex Tube |
RCA |
ECC88 | Twin Triode |
| TESLA | ECC88 | Double Triode |
|
Philips Semiconductors (now NXP Semiconductors) |
ECC88 | 1969 R.F. Double Triode |
