Another very interesting design element is the use of the 2.5V filament center tap to provide voltage for the speaker field coil. The plate current of the two 245s provides 48V to the field coil which is 800 ohms. Auto biasing is still accomplished, but there is a .3uf cap added as a bypass around the field coil to ground. I can't recall ever having seen this before.
Then it dawned on me! This radio is proof of the claim that the news media has a "liberal" bias. (SEE earlier posting). This radio definitely is "left of center".