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7189 tube ID

bberkom

bberkom

AK Subscriber
Subscriber
I've been trying to find a matching tube for this Sylvania branded 7189 to use in my SE amp. I can't for the life of me find any other Sylvania 7189's that have this plate structure. It says made in USA, and it came in a Sylvania 7189 box. Any help appreciated.
PXL_20210424_182947626.jpg PXL_20210424_182958338.jpg
 
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I have some black plates like those, but the plate structure is different. It is not rounded but more trapezoidal. Looks similar to the old stock tung sols, but can't find a similar Sylvania. I can try to take a better photo later.
 
European Philips-Amperex designed & manufactured EL84 tubes were sometimes relabeled as US brand 7189 tubes, too.

Amperex-Philips 7189 (EL84).jpg
 
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