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#1
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You have 300ma of filament current, the battery eliminator should handle it with the 5 & 6 tube jumper in position.
There's several different versions of those battery eliminators built through the years. The same firm seemed to make them all. |
#2
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Assuming the filaments are in series, the string would draw only 50ma.
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#3
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Quote:
IIRC, in all the real large battery packs the "A" cells were all in parallel supplying 1.5 volts. Those battery packs were really large, heavy and unsuitable for portable use. |
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