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Thread: Tube rattle?

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    Tube rattle?

    Just when you think I cant ask another newbie question here is yet another!
    I have an old GE rectifier 5Y3GT ...I have had it for a long time. Bought years ago as testing NOS and I never have plugged it into anything. Now that I am well into this lil Princeton amp build I was getting the final parts together and I noticed it has a rattle when I roll it around like something is in the base. It isn't in the upper part of the tube where I can see it it is in the black plastic base. Is this typical? Leftover stuff from the build process?

    I dont have a tube tester that is definitely on the equipment to buy list.
    Regardless if it isnt good a new 5Y3GT is in the parts to buy.

    Dale

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    Supporting Member Randall's Avatar
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    Is the plastic keyway intact?

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    It's weird, because it WAS working fine.....

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    Yep tube looks minty.. but if I roll it over I hear something loose. I can always try it out once I get my transformers and see how she does.

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    Bent Member Chuck H's Avatar
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    I've experienced this before with rectifiers on two occasions. Since the tube was working properly otherwise and not causing any amplified anomalies I chose to ignore it. Neither amp ever came back to me with a rectifier failure. Though that doesn't mean I know they didn't fail eventually due to a mechanical fault I suppose.

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