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Quoted from EMsInKC:Gottliebs with a "Last Ball In Play" will want them there, because that light will burn out quickly if you don't do it. It comes off the coil circuit with a resistor knocking down the voltage.
EMsInKC
I have noticed that atleast one under-playfield light (lights special) in my Gottlieb "300" eats 47 light bulbs. I am wondering if it is intended to be a flasher. Do these flasher sockets use more juice?
Quoted from rolf_martin_062:Hi
and here is the snippet
rolf_martin_062 You're the bee's knees! Thanks for interpreting, investigating, and informing!
Quoted from CactusJack:On Gottlieb games that use a resistor to drop the relay voltage to 6.3 volt lamp voltage, are designed around the current draw of a #44 lamp. That is why your #47s burn up.
Also, do not attempt to replace them with LEDs as they too will fry! Unless you open them up and replace the current limiting resistor for 28v. Which will probably be too big for the base.
CactusJack
Yeah, but its only the "lights special" that burns out bulbs. Its the only socket where th bulb is visibly burning much brighter than all the others under the playfield. I suspect the "special when lit" light is the same, but not as noticeable as its not on very often.
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