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  2. 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.

  3. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    The system was used in 1942–44 and assigned numbers with the base form "1A21", and is therefore also referred to as the "1A21 system". [1] The first numeric character indicated the filament/heater power rating, the second alphabetic character was a code for the function, and the last 2 digits were sequentially assigned, beginning with 21

  4. EL34 - Wikipedia

    en.wikipedia.org/wiki/EL34

    The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. [1] The EL34 has an octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits; it was also designed to be suitable as a series regulator by virtue of its high permissible voltage between ...

  5. List of Mullard–Philips vacuum tubes - Wikipedia

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

    TY86F – 7.4 V, 77 mA heater version of the EY86 18-kV CRT EHT rectifier, [48] for use as a hotfix in early-production Ferguson Radio Corporation TV receivers 306T and 308T [55] where the horizontal-output transformer produced excessive heater voltage which destroyed the originally fitted EY86s.

  6. 6L6 - Wikipedia

    en.wikipedia.org/wiki/6L6

    Heater voltage: 6.3: Heater current: 900 mA: Anode; Max dissipation Watts: 30: Max voltage: 500 Specification listed is for type 6L6-GC: 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 ...

  7. Mortgage and refinance rates for Dec. 17, 2024: Average ... - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.

  8. Russian tube designations - Wikipedia

    en.wikipedia.org/wiki/Russian_tube_designations

    In the 1950s a 5-element system (GOST 5461-59, later 13393-76) was adopted in the (then) Soviet Union for designating receiver vacuum tubes.[4]The 1st element (from left to right) is (for receiving tubes) a number specifying filament voltage in volts (rounded to the nearest whole number).

  9. Washington Employment Security says it needs more funding for ...

    www.aol.com/news/washington-employment-security...

    (The Center Square) - Washington workers will see a larger chunk taken out of their paychecks in 2025 to fund the Paid Family and Medical Leave program. PFML provides paid time off when you have a ...