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Dragging out an old nemisis-Philco 66 cathedral-SUCCESS
#25

See if you

1. Have all your tube shields in.
2. The 75 tube's shield should have the grid cap wire INSIDE it.
3. The bulb glows first more due to inrush, which has several parts to it, the slowest (others last last than a second) being the large current shooting through cold filaments before they warm up.


Messages In This Thread
RE: Dragging out an old nemisis-Philco 66 cathedral - by morzh - 08-17-2014, 04:54 PM



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