5bc3 why such a weird tube

[DavGoodlin]

I have a Philco 42-1009 that needs a 5Y4. No way do I have one! A quick check of my 1953 GE tube book reveals that the filament current and forward current is same as a 5Y3, so I will move two wires on the socket, because that's the ONLY difference.

Please post your appliance pics in the expeditions and passions. I will follow up with my two refrigerators 1953 Kelvinator (division of Nash Motors) and 1947 Westinghouse. Those old refrigerators use HALF the power than the 1996 and 1986 refrigerators we have. I proved it with a kWH meter.

[dieseljeep]

[QUOTE=DavGoodlin;3034663]I have a Philco 42-1009 that needs a 5Y4. No way do I have one! A quick check of my 1953 GE tube book reveals that the filament current and forward current is same as a 5Y3, so I will move two wires on the socket, because that's the ONLY difference.

In the 1938 model Philco's, the rectifier socket was on top of the transformer. It made the change a lot harder.

[DavGoodlin]

Originally Posted by dieseljeep

In the 1938 model Philco's, the rectifier socket was on top of the transformer. It made the change a lot harder.

Fortunately the 42-1009 tube has a chassis socket. A friend has a 37-650 and that may be a case where a 5Y4 must be used. I hope that by not needlessly using a 5Y4, there will be more for others., they seem to be rare. Thanks for the heads up~!