What the heck is this?

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A friend of mine was asking about this home brew… tool? Anyone have any idea’s what it is for?

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What do the labels above the meters say?

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I asked for some more pictures:

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He also said there is room for a big chunky battery… so maybe some kind of power supply?

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4

I just spent too long trying to figure out what kind of beer you could make with it… :man_facepalming:

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5

that paneling screaming my childhood in the sweet 70’s man
nice deal right there

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I don’t know about all that, but that is 100% the exact same toolbox my dad had when I was a kid :slight_smile:

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7

Wild guess, but possibly for testing response of crossover filters for speakers?