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Tung-Sol "Flat-Plate" 5687 Tubes

Can anyone send me a link to a photo of what a Tung-Sol "flat-plate" 5687 tubes look like? I purchased a pair of what are supposedly these tubes and their plates certainly don't look flat to me! I've asked online for images of Tung-Sol flat-plate" 5687 tubes and their plates don't look flat either. So why are they called flat-plate" 5687 tubes if their plates aren't flat and really don't look all that different from the other 5687 tubes I own?

I'm listening to: A Trick of the Tail by Genesis







Thetubeguy1954 (Tom)

Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers


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Topic - Tung-Sol "Flat-Plate" 5687 Tubes - thetubeguy1954 11:30:05 11/28/16 (8)

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