Quote:
Originally Posted by John Folsom
The Philco 123 had a 5U4 and a 5Y3 in sockets atop the power transformer. Philco made a little box which plugged into one of the two sockets (not sure which) which contained two 5U4s in parallel. Here is a photo of the box which came with my set.
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John,
Thanks for the dual-5U4 box photo. So, the original PS couldn't handle the load and had to be beefed up?