Quote:
Originally Posted by amptramp
The DC farm radios like the Philco Models 48 and 49 did not have a vibrator. The filaments were in series with the speaker electromagnet and usually a ballast. The tubes ran directly off low-voltage DC. Some of the supply voltages in some makes of radio were 32 VDC.
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I may be all wet here, but I think remember reading about a "mobile" version of the R-390 that used low plate voltage tubes.... I can't imagine that it would perform as well as a standard R-390 or R-390A... anybody here know how well it worked? Would it qualify as a "war farm" radio?
jr
12-10-2009, 08:37 PM
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