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Report Review for product Adapter - use 6GH8A Instead of 7199 tube, 6GH8A Included

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I ordered 2 of them. The adapters are good. However, for the 6GH8A tubes, they came in as one RCA tube and one GE tube. I thought they should be same brand, though I don't really care which brand. BTW, the RCA 6GH8A is not working properly on my dynaco sca-35 with original PC-10 board. It squeals when gets hot (after 20 min or so).

Xudong Jin - July 26th, 2021