Dumont RA-103 With Additional Tube Under Chassis?

[Polaraligned]

Originally Posted by Electronic M

Tube is topside on my Dumont doghouse and Stromberg Carlson TV-10, no 6X4s on either set. That 6AL5 is smack dab below the CRT so it is possible it was in the way of some CRTs (or not removable with the CRT installed) and Dumont's solution was to move it under chassis.

I can't imagine that tube being much easier to replace topside with the chassis in the cabinet.

Well, that makes sense.
I'll bet you have an early serial also.

Does anyone know if there is any serial number information available on Dumont sets?