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    Alpha 8410 tube replacement

    When you mention test, do you mean metering for shorts and testing continuity on the filament?
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    Alpha 8410 tube replacement

    Thank you.. D & C electronics in Brooksville Florida is currently testing various tubes including the 4cx1000a. It costs about $100. Including shipping per 4cx1000a tube with documentation on what they tested. They have an ebay listing for that service.
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    Alpha 8410 tube replacement

    Yes, I know thank you. I have several spare 8168 tubes I would like to try. What is the procedure for changing the tubes? I heard you have to mess with the bias? And connect the amp to a computer?
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    Alpha 8410 tube replacement

    Greetings to all, I'm not sure if this has been covered before but.... has anyone ever replaced the tubes in an alpha 8410 linear amplifier? If so, what is the process? My 8410 has 2 eimac 4cx1000a tubes in it. My tubes have full output, I'm just wondering because I have some spare tubes I would...
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