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 Post subject: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 8:40 pm 
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Joined: Jul Sun 15, 2012 9:13 pm
Posts: 27
I have been using nostalgiaair.com to print out diagrams of the various vacuum tubes I'm working with but for the past week the "tube" part of that site dose not work (get errors). Is there another site on the Web that I can get this info from? Thanks. Tom


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 9:00 pm 
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Joined: Apr Sun 04, 2010 3:55 am
Posts: 1483
Radiomuseum: http://www.radiomuseum.org/tubes/tube_6al5.html
But the search is a bit quirky.

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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 9:07 pm 
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Joined: May Tue 30, 2006 4:46 pm
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Location: Santa Rosa, CA
There are lots of tube data sites:

http://frank.pocnet.net/


Rich


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 9:42 pm 
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Joined: Nov Fri 27, 2009 7:17 pm
Posts: 309
Location: Ocean City,Md
Tom I use this site for tube data.
http://www.nj7p.org/Common/Tube/SQL/Tub ... hp?index=1
Gordon

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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 9:50 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 7105
Location: S. Dartmouth MA 02748-1225 USA
Find a copy of RCA's "Triple Pindex" (1959) more than 2000 JEDEC pin-outs of popular tubes, multi-ring bound and stacked as three copies one above the other. Three different pin-outs can be displayed at once making it convenient to have open on the bench for reference while working on a chassis...

http://www.ebay.com/itm/1959-RCA-Triple-Pindex-Receiving-Picture-Tube-Base-DIAGRAM-GUIDE-/150970491607

As useful as I find this, I'm surprised that it has not been re-printed...

Chas

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Last edited by Chas on Jan Fri 11, 2013 1:41 am, edited 1 time in total.

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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 11:13 pm 
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Joined: Jul Sun 15, 2012 9:13 pm
Posts: 27
Thanks for all the sites. One tube I'm unable to find the pin layout for is a 7D7. This tube is in a Philco model 41-296 which I an currently working on.


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 11:26 pm 
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Joined: May Tue 30, 2006 4:46 pm
Posts: 6419
Location: Santa Rosa, CA
You will find it on page 201. Have download the whole book, however.

http://frank.pocnet.net/other/docs/MK-RT.pdf

Rich


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 11:39 pm 
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Joined: May Tue 30, 2006 4:46 pm
Posts: 6419
Location: Santa Rosa, CA
An old MIL tube guide says it has an 8AR base pinout.... same as 7J7.

Rich


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Thu 10, 2013 11:58 pm 
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Joined: Feb Tue 23, 2010 6:19 am
Posts: 181
Location: Napa, CA
The online tube search on Duncanamps will find info on specific tubes, and the answer set will usually include equivalent tube substitutions (and also similar, but not equivalent) answers. The search answers usually show the pinout and common tube parameters. Saves a lot of guesswork, especially when it comes to things like filament current...

The answers will also give links to the tube data at N7JP, as well as original (GE, Sylvania, etc) tube docs as pdf's.

http://www.duncanamps.com/tdsl/tubesearch.php

HTH
Jimmie


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 Post subject: Re: Vacuum tube pin diagram
PostPosted: Jan Fri 11, 2013 1:25 am 
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Joined: Jul Sun 15, 2012 9:13 pm
Posts: 27
Thanks Again. Tom


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