[Boatanchors] Globe champ ?

[howard holden]

The 5U4 needs an octal socket (8 pins), even though the tube itself may have only 5 pins. The schematic calls for a 5U4. Maybe someone in the past changed it out for an 80 or a 5Z3? That could work if the 5U4 wasn’t called on for the max ratings.



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From: Larry<mailto:lawrenceg94 at gmail.com>
Sent: Friday, January 7, 2022 1:18 PM
To: boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net>
Subject: [Boatanchors] Globe champ ?

My Globe Champ 300a has a socket marked 5U4 but it's a 4 pin socket and not a 5 pin like the 5U4 tube is.  Having no documentation to look at, does any one know or have an idea of what tube might go there?  Larry/w0ogh
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