This is a rare SYLVANIA Valve Vacuum Tube, specifically the EL34 6CA7 model, manufactured in the USA.
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Sylvania 6CA7-EL34 tube. New old stock in original box and packaging. Made in Gt Britain.
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Tube has grey ribbed plates, rare top O double getter, tube tests: 96 %.
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NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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" guide pin broken " " Sylvania letter rubbed off ". Tube tested from :Amplitrex AT-1000.
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Greetings vintage vacuum tube equipment owners and vintage audio enthusiasts ! 😎 For your consideration is a single Sylvania EL34 / 6CA7 fat bottle power tube made in USA ! This tube was tested on a TV-7 D/U tester with the following results. Where 30 is the minimum for a good tube,this tube tested 44. Please look closely at the attached images ! They are an important part of the description and help provide a good idea as to the condition of these tubes
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Manufacturer: Sylvania. Getter: Dual Top Slant Disc. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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Manufacturer: Sylvania for Zenith. Getter: Dual Top Slant Disc. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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