Quote:
Originally Posted by wa2ise
..this tube is at the bottom end of the string, and I decided to get more current for the 6AL5 heater by having it pass the "plate" current of all the set's B+ load currents. Just like how we have a #47 pilot light in parallel with a 35Z5 heater tap and have enough current to make the voltage across that 6V. So one side of the 6AL5 heater gets the powerline "ground" side, and the other side of that 6AL5 heater becomes the set's system ground. It works, but it does take twice as long for the 6AL5 heater to get fully warmed up as the other tubes in the set.
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Verrry cool stroke of Yankee ingenuity there.
09-02-2012, 10:06 AM
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