6AU6: Difference between revisions

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The 6AU6 is a pentode in a miniature 7-pin package.
[[File:Tube_6AU6_12AU6.jpg|thumb|250px|right|6AU6 and 12AU6 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=2A60;80;107;160;181;190;310;310A;316;317;360;502;502A;511A;512;513;516;517;517A;524;526;529;RM529;531;531A;535;536;545;545A;546;547;549;555;575;581;581A;585;585A;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 6AU6 is used in the [[513]], [[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 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==
* [http://w140.com/6au6.pdf Tung Sol 6AU6 Datasheet (PDF)]
* [http://w140.com/6au6.pdf Tung Sol 6AU6 Datasheet (PDF)]
* [[tube:6au6 | 6AU6]] / [[tube:6au6a|6AU6A]] / [[tube:6au6wa|6AU6WA]] / [[tube:8425|8425]] @ radiomuseum.org
==Pictures==
<gallery>
Tube_6AU6_12AU6.jpg | 6AU6 and 12AU6 tubes
6au6a-157005900.jpg | 6AU6A (Tek p/n 157-0059-00)
</gallery>


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

Revision as of 14:49, 12 February 2023

6AU6 and 12AU6 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, 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 ha 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