7189: Difference between revisions

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|Part_nos=
|Part_nos=
|Description=power pentode
|Description=power pentode
|Used_in=106;
|Used_in=
|Designers=
|Designers=
}} with a {{B9A base}} that can handle 400 V plate voltage.   
}} with a {{B9A base}} that can handle 400 V plate voltage.   
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==Used in==
==Used in==
* output stage of the [[106]]
* The output stage of the [[106]] uses [[7189A]]s, which have different pinouts. [[7189]]s may be used if the socket wiring is modified.


==Data==
==Data==

Revision as of 00:00, 10 November 2021

The 7189  (European: E84L) is a power pentode vacuum tube with a B9A (Noval) miniature 9-pin base that can handle 400 V plate voltage.

It is the high quality version of the 6BQ5 aka EL84 tube.

Used in

  • The output stage of the 106 uses 7189As, which have different pinouts. 7189s may be used if the socket wiring is modified.

Data

Photos