6AU6: Difference between revisions

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[[File:Tube_6AU6_12AU6.jpg|thumb|300px|right|6AU6 and 12AU6 Tubes]]
[[File:Tube_6AU6_12AU6.jpg|thumb|250px|right|6AU6 and 12AU6 Tubes]]
{{Vacuum Tube
{{Vacuum Tube
|Type=Pentode
|Type=Pentode

Revision as of 03:21, 22 August 2021

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 a 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.

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