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chassis schematic - Which Philco model?
Mondial
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#8

12-22-2021, 09:07 PM
The converter tube confused me a bit which is why I wasn't completely sure if it was a 40-180. It should be a 6J8G, but I don't think the 6J8 was ever was made in a GT version.

It looks like someone substituted a 6A8GT for the 6J8G. Although totally different in construction, they are pin compatible and might actually work in the 40-180 as a sub. Sylvania mentions their compatibility in an early datasheet:

https://www.tubesandmore.com/sites/defau...s/6j8g.pdf
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Messages In This Thread
RE: chassis schematic - by Radioroslyn - 12-22-2021, 12:46 PM
RE: chassis schematic - by morzh - 12-22-2021, 01:19 PM
RE: chassis schematic - by richard - 12-22-2021, 05:27 PM
RE: chassis schematic - by Mondial - 12-22-2021, 06:31 PM
RE: chassis schematic - by richard - 12-22-2021, 07:18 PM
RE: chassis schematic - by Ron Ramirez - 12-22-2021, 08:02 PM
RE: chassis schematic - by Mondial - 12-22-2021, 09:07 PM
RE: chassis schematic - by Ron Ramirez - 12-22-2021, 11:22 PM
RE: chassis schematic - by Mondial - 12-23-2021, 12:48 AM



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Maybe this is starting to make some sense in my hard head.  Is this why the wire in question was not in the great Ron Ra...georgetownjohn — 04:34 PM
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What does the dotted line representing that surrounds the tube in the schematic?georgetownjohn — 02:17 PM
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Hello John, I have been there either label got lost or was not labeled ! Sincerely Richardradiorich — 02:15 PM
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Sorry, it is a Philco 37-640.  Does that help?--Johngeorgetownjohn — 02:14 PM

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