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Questions about tubes and gear that glows. FAQ

RE: WTF is going on with my TV7U & 300B Tubes

Remember that you have a 40+ year old test instrument that was probably last calibrated in the 1970's. I haven't seen too many TV7's that worked well as found.

Time to download the TV7 service manual (widely available, or email me and I can get you a copy) and check out the calibration.

Another option is to compare readings with a "known" TV7. Where are you located? I have a couple of dozen TV7's and would be happy to help if you're in Northern New England.

- Gary
http://www.the-planet.org



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