Re: Tube pinouts

• To: tesla-at-pupman-dot-com
• Subject: Re: Tube pinouts
• From: Kristian Ukkonen <kukkonen-at-cc.hut.fi> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Thu, 19 Nov 1998 19:51:33 -0700
• Approved: terryf-at-verinet-dot-com

Tesla List wrote:
> 
> Original Poster: Phililp Mac Duffie <shadow42-at-totcon-dot-com>
> 
> I was wonderin how i go about finding what parts are what in my triode tube.
> (801) It has 4 pins on the bottom and one on the side. It looks like the
> side terminal (more like a stub) is the plate. The two larger pins are the
> filiment. What about the other two bottom pins? They do not conduct to each
> other. I one the grid and the other the catohde?
>  Thanks,
> Philip Mac Duffie

Datasheets:
http://www.duncanamps.simplenet-dot-com/cgi-bin/miva?/tubedata/search.mv+801A

The side "terminal" ("Bayonet pin") is just for attaching it to socket -
like 
for correct alignment. The base connections from datasheets above:
Filament 1,4
Anode 2
Grid 3

Look the datasheets for pin numbering, sheet 5.
http://www.vt52-dot-com/data/output/801a_sheet_5.jpg

  Kristian Ukkonen.

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