Quote:
Originally Posted by Tom9589
I took a look at the schematic for this Philco and noticed something I had never seen previously. The filament windings for the two LV rectifiers (5V3 and 5U4) are center tapped and the B+ is taken from the center taps.
What is the purpose of taking the B+ from the center taps?
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Most likely to reduce hum pickup from the filament winding.