6AU6: Difference between revisions

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[[File:Tube_6AU6_12AU6.jpg|thumb|300px|right|6AU6 and 12AU6 Tubes]]The '''6AU6''' (European equivalent '''EF94''') is an RF pentode for up to ~50 MHz with a {{B7G base}}, introduced in 1946.  
[[File:Tube_6AU6_12AU6.jpg|thumb|250px|right|6AU6 and 12AU6 Vacuum Tubes]]
{{Vacuum Tube
|Type=Pentode
|Number=6AU6
|EuroNumber=EF94
|RussianNumber=6Ж4П
|Part_nos=154-0022-00, 157-0073-00, 157-0059-00, 154-0284-00
|Description=RF pentode
|an=an
|Used_in=107;160;181;190;60;2A60;72;3A72;3C66;310;310A;316;317;360;502;502A;506;511;511A;512;513;516;517;517A;524;526;529;RM529;531;531A;535;536;545;545A;546;547;549;555;561;561A;561S;564;565;567;570;575;581;581A;585;585A;80;C;CA;Q;
|Designers=
}} for up to ~50 MHz with a {{B7G base}}, introduced in 1946.


The [[12AU6]] is the equivalent version with a 12 V heater.
The [[12AU6]] is the equivalent version with a 12 V heater.


The 6AU6 is used in the [[513]], [[581]], [[585]] and others as an error amplifier, in the [[C|Type 53/54C]] plugin, and others.
The 6AU6 is used in the [[513]], [[561]], [[581]], [[585]] and others as an error amplifier, in the [[C | Type 53/54C]] plugin, and others.


The 6AU6A is an improved version for equipment with series-connected heaters that ha controlled warm-up and heater-to-cathode voltage rating increased to 200 V.
The 6AU6A is an improved version for equipment with series-connected heaters that has controlled warm-up and heater-to-cathode voltage rating increased to 200 V. The 6AU6WA is a ruggedized version.
 
The 8425 (used in [[Q| Type Q ]]) is an improved successor version.
 
Tek part number:
* 154-0022-00
* 157-0073-00 (selected pair)
* 157-0059-00 (6AU6A)
* 154-0284-00 (6AU6WA)
{| class="wikitable"
{{Checkedtubes TableHeader}}
|-
|  [[310]]  || 157-0034-00  || See Note 1 
|-
|  [[502]] (V414,V444)  || 157-0056-00  || Before Mod M6179
|-
| Type [[CA]] Plug-in || 157-0059-00  || All
|-
|  [[502]], [[505]] (V414, V444) || 157-0073-00  || ?
|}
 
Note 1: Replaced by raw [[6AU6]] with instrument mod
 
{{Tube aging reference}}


==Links==
==Links==
* [http://w140.com/6au6.pdf Tung Sol 6AU6 Datasheet (PDF)]
* [http://w140.com/6au6.pdf Tung Sol 6AU6 Datasheet (PDF)]
* [https://www.radiomuseum.org/tubes/tube_6au6.html 6AU6] / [https://www.radiomuseum.org/tubes/tube_6au6a.html 6AU6A] @ radiomuseum.org]
* [[tube:6au6 | 6AU6]] / [[tube:6au6a|6AU6A]] / [[tube:6au6wa|6AU6WA]] / [[tube:8425|8425]] @ radiomuseum.org


==Pictures==
==Pictures==
<gallery>
<gallery>
Tube_6AU6_12AU6.jpg | 6AU6 and 12AU6 tubes
Tube_6AU6_12AU6.jpg | 6AU6 and 12AU6 Vacuum Tubes
6au6a-157005900.jpg | 6AU6A (Tek p/n 157-0059-00)
6au6a-157005900.jpg | 6AU6A (P/N 157-0059-00)
</gallery>
</gallery>
{{Part usage}}


[[Category:Pentodes]]
[[Category:Pentodes]]

Latest revision as of 00:00, 19 November 2023

6AU6 and 12AU6 Vacuum Tubes

The 6AU6  (European: EF94) (Russian: 6Ж4П) (P/N 154-0022-00, 157-0073-00, 157-0059-00, 154-0284-00) is an RF pentode vacuum tube for up to ~50 MHz with a miniature B7G 7-pin base, introduced in 1946.

The 12AU6 is the equivalent version with a 12 V heater.

The 6AU6 is used in the 513, 561, 581, 585 and others as an error amplifier, in the Type 53/54C plugin, and others.

The 6AU6A is an improved version for equipment with series-connected heaters that has controlled warm-up and heater-to-cathode voltage rating increased to 200 V. The 6AU6WA is a ruggedized version.

The 8425 (used in Type Q ) is an improved successor version.

Tek part number:

  • 154-0022-00
  • 157-0073-00 (selected pair)
  • 157-0059-00 (6AU6A)
  • 154-0284-00 (6AU6WA)
Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
310 157-0034-00 See Note 1
502 (V414,V444) 157-0056-00 Before Mod M6179
Type CA Plug-in 157-0059-00 All
502, 505 (V414, V444) 157-0073-00 ?

Note 1: Replaced by raw 6AU6 with instrument mod

Reference:

Tube aging procedure / Selection and checking procedure

Links

Pictures

  • 6AU6 and 12AU6 Vacuum Tubes

    6AU6 and 12AU6 Vacuum Tubes

  • 6AU6A (P/N 157-0059-00)

    6AU6A (P/N 157-0059-00)

Some instruments using part 6AU6

Instrument Manufacturer Class Model Description Introduced
107 Tektronix Pulse generator 107 square-wave generator 1958
160 Tektronix Oscilloscope 160 Modular Oscilloscope 1952
181 Tektronix Pulse generator 181 Time-mark generator 1955
190 Tektronix Signal generator 190 Constant-Amplitude Signal Generator 1954
2A60 Tektronix Plug-in 2A60 1 MHz amplifier plug-in 1962
310 Tektronix Oscilloscope 310A 4 MHz oscilloscope 1955
310A Tektronix Oscilloscope 310A 4 MHz oscilloscope 1959
316 Tektronix Oscilloscope 316 10 MHz 3" tube scope 1959
317 Tektronix Oscilloscope 317 10 MHz 3" tube scope 1959
360 Tektronix Oscilloscope 360 CRT Indicator Unit 1954
3A72 Tektronix Plug-in 3A72 Dual channel amplifier plug-in 1961
3C66 Tektronix Plug-in 3C66 Carrier amplifier plug-in 1963
502 Tektronix Oscilloscope 502 1 MHz dual beam differential scope 1958
502A Tektronix Oscilloscope 502A 1 MHz dual beam differential scope 1963
506 Tektronix Oscilloscope 506 20 MHz scope 1964
511 Tektronix Oscilloscope 511 10 MHz Tube scope
First Tektronix oscilloscope		 1947
511A Tektronix Oscilloscope 511A 10 MHz Tube scope 1948
512 Tektronix Oscilloscope 512 Early 2 MHz scope 1948
513 Tektronix Oscilloscope 513 18 MHz scope 1950
516 Tektronix Oscilloscope 516 15 MHz dual-trace scope 1960
517 Tektronix Oscilloscope 517 50 MHz scope 1951
524 Tektronix Oscilloscope 524AD TV waveform monitoring scope 1953
526 Tektronix Audio/Video 526 NTSC Vectorscope 1959
529 Tektronix Audio/Video 529 TV Waveform Monitor 1965
531 Tektronix Oscilloscope 531 10 MHz oscilloscope 1954
535 Tektronix Oscilloscope 535 10 (15) MHz dual-timebase scope 1954
536 Tektronix Oscilloscope 536 11 MHz X–Y oscilloscope 1957
545 Tektronix Oscilloscope 545 30 (33) MHz oscilloscope 1955
545A Tektronix Oscilloscope 545A 30 (33) MHz oscilloscope 1959
546 Tektronix Oscilloscope 546 50 MHz oscilloscope 1964
547 Tektronix Oscilloscope 547 50 MHz oscilloscope 1964
549 Tektronix Oscilloscope 549 30 MHz storage oscilloscope 1965
555 Tektronix Oscilloscope 555 Dual beam 30 MHz scope 1959
561 Tektronix Oscilloscope 561 10(4) MHz "General Purpose Scope" 1961
561A Tektronix Oscilloscope 561A 10(4) MHz "General Purpose Scope" 1962
564 Tektronix Oscilloscope 564 Split-Screen Storage Scope 1962
565 Tektronix Oscilloscope 565 10 MHz dual-beam scope 1962
567 Tektronix Oscilloscope 567 Sampling scope 1962
570 Tektronix Curve Tracer 570 Curve tracer for tubes 1955
575 Tektronix Curve Tracer 575 Curve tracer for transistors 1957
581 Tektronix Oscilloscope 581 100 (95) MHz oscilloscope 1959
581A Tektronix Oscilloscope 581A 85 MHz oscilloscope 1963
585 Tektronix Oscilloscope 585 100 (95) MHz oscilloscope 1959
585A Tektronix Oscilloscope 585 85 MHz oscilloscope 1963
60 Tektronix Plug-in 60 1 MHz amplifier Plug-in 1961
80 Tektronix Plug-in 80 vertical amplifier 1959
C Tektronix Plug-in Type (53)C Dual-trace 8.5 (24) MHz amplifier 1954
CA Tektronix Plug-in Type CA 24 MHz dual-channel amplifier 1959
Q Tektronix Plug-in Type Q Strain gauge preamp plug-in 1960
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