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Description
Platinum matched pair 6678 RCA 6U8A NOS NIB 6GH8A ECF82 6EA8 Black AnodesOne platinum matched pair (2 tubes) of rare 6678 RCA 6U8A made back in 60s. They come in original old type RCA boxes. They can be used in modified Dynaco ST 70 PC 3 board which accepts 6GH8A ECF82 instead of scarce 7199. They also can be used in original Dynaco ST70 driver board using special noval adapters. We have few 100 pcs packagings of these tubes and all pairs I have are carefully tested and matched by plate current on my Metrix U61 B tester.
One platinum matched pair (2 tubes) of rare 6678 RCA 6U8A made back in 60s. They come in original old type RCA boxes.
They can be used in modified Dynaco ST-70 PC-3 board which accepts 6GH8A / ECF82 instead of scarce 7199. They also can be used in original Dynaco ST70 driver board using special noval adapters.
We have few 100 pcs packagings of these tubes and all pairs I have are carefully tested and matched by plate current on my Metrix U61-B tester. Due to big number of tested tubes, they are matched within 5% or less!!!
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Exchange/Return Notes
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4.4 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 4
Necklace
Color: A'
Great gift
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Perfect necklace!
Color: R
What a cute dainty little necklace! My daughter loves it so much! Will purchase for my other daughter for her birthday! She has worn it in the bath and so far everything looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 5
Collar con inicial elegante y significativo
Color: M, Color: M
Un accesorio delicado que combina con todo y le da un toque personal a cualquier look. Perfecto para uso diario o para regalar, con un diseño sencillo pero muy especial 💖 la amiga de mi hija le gustó mucho
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Practical for a child
Color: L
A cute little stocking stuffer for my jewelry obsessed daughter! She is going to love it and it’s a cheaper necklace so I won’t be concerned if she breaks or loses it
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Effective & Attractive with Wireless Charging
Color: Blue, Color: Blue
This "valet" organizer, which is the first time I've heard that term for a product like this, is nearly perfect. For me, it checks all of the boxes and in a perfect world, I would have opted for a smaller piece with only three compartments for mobile, wallet, and keys.
It's well made and quite attractive, especially the blue (favorite color, so I'm biased). The only feature I'm not a fan of is how the removeable, wireless charging pad was implemented, which sits up on a small lip at a slight incline. However, I'm not complaining one bit as the wireless charging is great, and it's a differentiator that determines the value of the piece. I would have preferred the pad be built into the piece, however the angle of it does make it easy to grab opposed to using your finger(s) to pry it up.
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Reviewed in the United States on September 8, 2024
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