Need battery help with White's Gold Master GM 63S

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Hello!

I got this GM 63S a week ago and I have no clue on what kinds of batteries it needs. I recognize a few of them, but the research I've done shows otherwise. It seems to require a battery pack, but none of them look like they could fit the longer port. There is also the pronged port thing, which I've seen before, but it once again gave no leads. Could someone please help?

 

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[Carl-NC]

I used to have a 63S, I recall it uses vacuum tubes. One of the clips is for a high-voltage battery, probably 67.5V. Another will be low-voltage, maybe 6 or 7.5V. I don't recall what the pin clip is for.

If you are looking to get this thing running for nostagia's sake, you'll need to build your own battery packs. If you are looking for a detector to take out hunting, this ain't the one.

 

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Thanks!