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  2. Tube socket - Wikipedia

    en.wikipedia.org/wiki/Tube_socket

    Octal sockets were used to mount other components, particularly electrolytic capacitor assemblies [11] and electrical relays; octal-mount relays are still common. [12] Most octal tubes following the widespread European designation system have penultimate digit "3" as in ECC34 (full details in the Mullard–Philips tube designation article ...

  3. 6V6 - Wikipedia

    en.wikipedia.org/wiki/6V6

    6V6 Octal socket basing diagram. 1 - * Unconnected in all versions except for the shell connection of the metal 6V6 2 & 7 - Filament / Heater 3 - Anode / Plate 4 - Grid 2 / Screen Grid 5 - Grid 1 / Control Grid 6 - No connection. Pin normally absent 8 - Cathode & Beam-Forming Plates. The 6V6 is a beam-power tetrode vacuum tube.

  4. 807 (vacuum tube) - Wikipedia

    en.wikipedia.org/wiki/807_(vacuum_tube)

    The Г-807 (G-807) is a Soviet/Russian version. The 6П7С (6P7S) is similar to Г-807, but with an 8-pin octal base. The 807 also found some use as a horizontal output tube in early TV receivers, particularly those manufactured by DuMont.

  5. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    110–119 – Y8A 8-pin steel tube base; Rimlock B8A; 130–139 – Octal; 150–159 – German 10-pin with spigot; 10-pin glass with one big pin; Octal; 160–169 – Inline wire-ended Pencil tubes; Y8A 8-pin steel tube base; 170–179 – RFT 8-pin; RFT 11-pin all-glass gnome tube with one offset pin; 180–189 – Noval B9A; 190–199 ...

  6. KT88 - Wikipedia

    en.wikipedia.org/wiki/KT88

    The transmitting tubes TT21 and TT22 have almost identical transfer characteristics to KT88 but a different pinout, and by virtue of their anode being connected to the top cap have a higher plate voltage rating (1.25 kilovolt) and a higher power output capability of 200 watts in class AB1 push–pull.

  7. 6SN7 - Wikipedia

    en.wikipedia.org/wiki/6SN7

    The 1937 6F8G [2] was also an octal-based double triode with essentially the same characteristics as the 6SN7 (or two 6J5's), but in a 'Coke Bottle' large (Outline ST-12) glass envelope with a different pin arrangement and utilising a top cap connection for the first triode's grid (making pin 1 available for a metal shield).

  8. 6L6 - Wikipedia

    en.wikipedia.org/wiki/6L6

    Socket connections; The 6L6 Pinout, metal versions had the shell connected to pin 1. Pin 1 – n.c Pin 2 – Heater Pin 3 – Anode (Plate) Pin 4 – Grid 2 (Screen) Pin 5 – Grid 1 (control) Pin 6 – n.c Pin 7 – Heater . Pin 8 – Cathode & beam-forming plates: Typical class-A amplifier operation; Anode voltage: 350 V: Anode current: 54 mA ...

  9. List of Mullard–Philips vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_Mullard–Philips...

    Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme. Special quality variants may have the letters "SQ" appended, or the device description letters may be swapped with the numerals (e.g. an E82CC is a special quality version of an ECC82)