iPedia Free Information Center

Information about List Of Vacuum Tubes

This is a list of vacuum tubes:

American designation (with European equivalents)

RETMA tube designation

0

  • 0Z4 Full-Wave Gas Rectifier

2 volt heater/filament tubes

  • 2B7 Twin-diode remote-cutoff pentode

1 volt heater/filament tubes

  • 1L6 Pentagrid converter

5 volt heater/filament tubes

6 volt heater/filament tubes

  • 6AQ5 (EL90)
  • 6AU6A (EF94)
  • 6BQ5 (EL84)
  • 6C19
  • 6CA7 (EL34)
  • 6CL6 Power pentode
  • 6DA6 (EF89)
  • 6DJ8 (ECC88)
  • 6J5
  • 6L6 (EL37)
  • 6N3P
  • 6SK7 Remote-cutoff pentode
  • 6SN7 Medium-mu twin triode
  • 6V6 Beam power tube (see also: 5V6 and 12V6)

12 volt heater/filament tubes

  • 12AT7 High-mu twin triode (ECC81)
  • 12AU7 Medium-mu twin triode (ECC82)
  • 12AV6 Twin diode/High-mu triode (see also: 6AV6)
  • 12AX7 High-mu twin triode (ECC83)
  • 12BA6 Remote cutoff pentode (See also: 6BA6)
  • 12BE6 Pentagrid converter (See also: 6BE6)
  • 12DT6 Sharp cutoff pentode

25 volt heater/filament tubes

50 volt heater/filament tubes

  • 50B5 Beam power tube
  • 50C5 Identical to 50B5 except for biasing arrangement (HL92)
  • 50L6 Beam power tube (see also 25L6)
  • 50HK6 Power pentode

European designation (with American equivalents)

Mullard-Philips tube designation

ECC

  • ECC81 (12AT7)
  • ECC82 (12AU7)
  • ECC83 (12AX7)
  • ECC88 (6DJ8)
  • ECC85 (6AQ8)

EL

KT

KT stands for "Kinkless Tetrode"

Numbered tubes

  • 27
  • 45
  • 80
  • 833A
  • 845
  • 5814A (industrial, computer rated version of 12AU7)
  • 6550
  • 6922 (E88CC, industrial version of 6DJ8/ECC88)
  • 6900
  • 7308 (E188CC, premium version of 6922)

Russian tubes

  • 6N1P (similar to 6DJ8/ECC88)
  • 6N2P (similar to 12AX7/ECC83)
  • 6N3P (2C51)
  • 6P1P (similar to 6AQ5/EL90)
  • 6P3S (similar to 6L6)
  • 6P6S (6V6)
  • 6P14P (6BQ5/EL84)

References

RCA Receiving Tube Manual (RC-28)

External links

vacuum tube, electron tube (inside North America), thermionic valve, or just valve (elsewhere); is a device used to amplify, switch, otherwise modify, or create an electrical signal by controlling the movement of electrons in a low-pressure space, often not
..... Click the link for more information.
The Radio Electronics Television Manufacturers' Association was formed in 1953, as a result of mergers with other trade standards organisations.

They were principally responsible for the standardised nomenclature for American vacuum tubes.
..... Click the link for more information.
The 1L6 is a 7 pin miniature vacuum tube of the pentagrid converter type. It was developed in the USA by Sylvania. It is very similar electrically to its predecessors, the Loktal based 1LA6 and 1LC6.
..... Click the link for more information.
The 5Y3 is a medium-power directly-heated rectifier vacuum tube introduced by RCA in 1935. It has found wide use in tube radios and early guitar amplifiers (of the Fender Champ type.) It is virtually identical, electrically, to the 4-pin type 80 tube, but with an octal base.
..... Click the link for more information.
The 6AQ5 is a miniature 7-pin output pentode. The ratings are very similar to the 6V6 at 250V and is commonly used as an output audio amplifier in tube TV's and radios. It is also known under its Mullard-Philips tube designation EL90.
..... Click the link for more information.
The 6DJ8 is a miniature 9-pin medium gain dual triode vacuum tube. It is distinguished by its very high transconductance, mostly the result of its frame grid construction.
..... Click the link for more information.
6L6 is the designator for a vacuum tube introduced by Radio Corporation of America in July 1936. At the time Philips had already developed and patented power pentode designs, which were fast replacing power triodes due to their greater efficiency.
..... Click the link for more information.
The 6N3P (Russian: 6Н3П) is a Russian-made direct equivalent of the 2C51 vacuum tube. It is slightly larger in size than the American tube.
..... Click the link for more information.
6SN7 is a dual triode vacuum tube, on an 8 pin octal base. Although the 6S-- series tubes are often metal cased, the 6SN7 is generally found only in a glass GT size envelope. The 6SN7 is basically two 6J5 triodes in one glass envelope.
..... Click the link for more information.
6V6 is the designator for a vacuum tube introduced by Radio Corporation of America RCA United States in late 1937.

6V6 is a beam-power tetrode, similar to its predecessor the 6L6.
..... Click the link for more information.
12AT7 is a miniature 9-pin medium-gain dual triode vacuum tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuum tubes with share the same pinout (EIA 9A) and of which 12AX7 is the most proliferous type.
..... Click the link for more information.
12AU7 is a miniature 9-pin medium-gain dual triode vacuum tube. It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A). 12AU7 is also known in Europe under its Mullard-Philips tube designation ECC82.
..... Click the link for more information.
12AX7 is a miniature dual triode vacuum tube with high voltage gain. It is believed to have been originally developed in 1946 by RCA engineers in Harrison, New Jersey under developmental number A-4522.
..... Click the link for more information.
The 25L6 is an octal-based vacuum tube of the beam-power tetrode type. It found common application in AC/DC radio receivers - such as those of the All American Five type - and was also found in large numbers in early computers, such as the UNIVAC I.
..... Click the link for more information.
The 25L6 is an octal-based vacuum tube of the beam-power tetrode type. It found common application in AC/DC radio receivers - such as those of the All American Five type - and was also found in large numbers in early computers, such as the UNIVAC I.
..... Click the link for more information.
1st letter: Heater rating
  • A 4V
  • B 180mA AC/DC
  • C 200mA AC/DC
  • D 0.5 - 1.
    ..... Click the link for more information.
    • EL34, is a vacuum tube of the pentode type. It has an octal base and is found mainly in the final output stages of amplification circuits. The American RETMA tube designation number for this tube is 6CA7.
    ..... Click the link for more information.
    EL84 (European designation - known as the 6BQ5 in North America) is a vacuum tube (a.k.a. valve) of the power pentode type. It has a 9 pin miniature base and is found mainly in the final output stages of amplification circuits, most commonly now in guitar amplifiers, but
    ..... Click the link for more information.
    KT66 is the designator for a vacuum tube introduced by Marconi-Osram Valve Co. Ltd. (M-OV) of Britain in 1937.

    The KT66 is the direct descendant of the "Harries Valve" developed by British engineer J. Owen Harries and marketed by the Hivac Co. Ltd. in 1935.
    ..... Click the link for more information.
    KT88 vacuum tubes, or valves, are used in the power sections of tube amplifiers. The KT88 is a beam (kinkless) tetrode tube, fitting a standard eight-pin (or Octal) socket, with similar pin out and functions as the more familiar 6L6 and EL34.
    ..... Click the link for more information.
    The 833A is a vacuum tube constructed for high power radio frequency transmitter applications. It is a medium-mu power triode intended for use as an RF power amplifier. It can also be used for audio amplification in a valve audio amplifier.
    ..... Click the link for more information.
    The 845 power triode is a radio transmitting vacuum tube which can also be used as an audio amplifier and modulation tube. Typically, the plate is machined from solid graphite in order to accommodate extremely high current dissipation (up to 100 watts) and voltage.
    ..... Click the link for more information.
    The 6550 is a vacuum tube used in Marshall and Ampeg guitar amplifiers and the Leslie speaker. The 6550 is a high power tetrode tube that is most common in valve-driven bass amplifiers due to the fact that it does not distort even at extreme volume levels and because it has a very
    ..... Click the link for more information.
    The 6DJ8 is a miniature 9-pin medium gain dual triode vacuum tube. It is distinguished by its very high transconductance, mostly the result of its frame grid construction.
    ..... Click the link for more information.
    The 6DJ8 is a miniature 9-pin medium gain dual triode vacuum tube. It is distinguished by its very high transconductance, mostly the result of its frame grid construction.
    ..... Click the link for more information.
    6N1P (Russian: 6Н1П) is a Russian-made miniature 9-pin medium gain double triode vacuum tube intended for use as a line audio amplifier and cathode driver.

    Basic data: Uf = 6.3V, If = 600 mA uM = 35 Ia = 7.5 mA S = 4.35 mA/V Pa = 2.
    ..... Click the link for more information.
    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 RCA 12AX7.
    ..... Click the link for more information.
    12AX7 is a miniature dual triode vacuum tube with high voltage gain. It is believed to have been originally developed in 1946 by RCA engineers in Harrison, New Jersey under developmental number A-4522.
    ..... Click the link for more information.
    The 6N3P (Russian: 6Н3П) is a Russian-made direct equivalent of the 2C51 vacuum tube. It is slightly larger in size than the American tube.
    ..... Click the link for more information.
    6P1P (Russian: 6П1П) is a Soviet-made miniature 9-pin beam tetrode vacuum tube with ratings similar to the 6AQ5, EL90 and the 6V6. Because of a different pinout (a 9-pin base versus 7-pin base) than an 6AQ5/EL90, it cannot be used as a plug-in replacement for
    ..... Click the link for more information.


    This article is copied from an article on Wikipedia.org - the free encyclopedia created and edited by online user community. The text was not checked or edited by anyone on our staff. Although the vast majority of the wikipedia encyclopedia articles provide accurate and timely information please do not assume the accuracy of any particular article. This article is distributed under the terms of GNU Free Documentation License.
    Herod_Archelaus


    page counter