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Old 05-07-2006, 03:44 PM
smoker76 smoker76 is offline
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Join Date: Apr 2006
Posts: 87
Does a B&K 747 test different tubes than a 747B?

Thanks for info. I think I read this discussed here before but can't figure out how to find it yet. I think I read that those two tube testers check different tubes.
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