Quote:
Originally Posted by Tom9589
Why did the use ballasts anyway? Why not just mount the resistors on a terminal strip? Did they think that placing the resistors on top of the chassis would provide better ventilation? With ballasts you have to replace all of the parts when one goes bad or way out of tolerance.
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Besides better ventilation on top side of the chassis, they got hot enough that they were prone to burning open, so I suppose the thinking was to make them user replaceable, like a tube. I suspect a lot of owners would have thought they were just another tube. And everyone knows tubes go bad.
