7
- 7189 equivalent to EL84
- 7189A similar to EL84.
- 7308 (E188CC, premium version of 6922)
- 7360 Beam-deflection tube, used as balanced modulator/mixer up to 100 MHz. See above under 6AR8.
- 7JP4 monochrome cathode ray tube common in early postwar TV receivers. Electrostatic deflection, 7" screen.
Read more about this topic: List Of Vacuum Tubes, Numbered Tubes, Other Numbered Tubes