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2. Tube socket - Wikipedia

   en.wikipedia.org/wiki/Tube_socket

   An early transistor socket and an integrated circuit socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (electronic valves) can be plugged, holding them in place and providing terminals, which can be soldered into the circuit, for each of the pins. Sockets are designed to allow tubes to be inserted ...

3. Nozzle extension - Wikipedia

   en.wikipedia.org/wiki/Nozzle_extension

   A nozzle extension is an extension of the nozzle of a reaction/rocket engine. The application of nozzle extensions improves the efficiency of rocket engines in vacuum by increasing the nozzle expansion ratio.

4. 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.

5. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. Many industrial, military or otherwise professional tubes were also produced.

6. 6N2P - Wikipedia

   en.wikipedia.org/wiki/6N2P

   The 6N2P, (Russian: 6Н2П), also sometimes spelled in English "6H2Pi", is a miniature 9-pin dual triode vacuum tube manufactured in USSR, Russia and China with characteristics similar to the 12AX7.

7. 955 acorn triode - Wikipedia

   en.wikipedia.org/wiki/955_acorn_triode

   The heater has a 6.3 volt rating, which it shares with many other common thermionic valves/electron tubes, and it draws about 150 mA. The maximum anode voltage is 250 V, with an anode current of 420 microamperes and anode load 250 kilohm, and the maximum anode current is 4.5 mA at a voltage of 180 V with an anode load of 20 kilohm. [ 4 ]

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. RETMA tube designation - Wikipedia

   en.wikipedia.org/wiki/RETMA_tube_designation

   In the case of a CRT, the second figure group indicates the type of phosphor the tube face was coated with. Optional letters: A, B, C Improved backward compatible versions; E Export version; G Glass bulb, Shouldered Tube ST-12 to ST-16 size; GT Glass bulb, T-9 size (actually 'Glass Tubular') GT/G Glass bulb, T-9 size interchangeable with G and ...