Eveready Raytheon Stamped Box Plate ER226 / Eveready Raytheon Stamped Box Plate ER226
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Eveready Raytheon Stamped Box Plate ER226 / Eveready Raytheon Stamped Box Plate ER226

$23.00
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The two items you bought on Etsy: Tube One: This Eveready Raytheon Type 26 / ER226 triode was tested on our Jackson 648 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 75% where minimum is 70%. This tester expresses its readings in a percentage of the new/nominal bogey for the tube measured which in other tube testers is expressed in micromhos.This tube has a septangle-shaped top mica spacer; a button getter; a stamped box plate; excellent flashing for long tube life and a nice, firm base. Tube Two: This Eveready Raytheon Type 26 / ER226 triode was tested on our Jackson 648 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 85% where minimum is 70%. This tester expresses its readings in a percentage of the new/nominal bogey for the tube measured which in other tube testers is expressed in micromhos.This tube has a septangle-shaped top mica spacer; a button getter; a stamped box plate; excellent fla

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