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Description
Platinum matched pair 6678 General Electric 6U8A NOS NIB 6GH8A ECF82 6EA8Model: 6678 6U8A 6GH8A ECF82 6EA8 Country of Manufacture: Yugoslavia 6GH8A Matched pair ECF82: EI PHILIPS Type: 6678 GE 6U8A Brand: GE Auction is for one platinum matched pair (2 tubes) of rare 6678 General Electric 6U8A made back in 70s for export. They come in originalGE 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
Model: 6678 6U8A 6GH8A ECF82 6EA8
Country of Manufacture: Yugoslavia
6GH8A Matched pair ECF82: EI PHILIPS
Type: 6678 GE 6U8A
Brand: GE
Auction is for one platinum matched pair (2 tubes) of rare 6678 General Electric 6U8A made back in 70s for export. They come in originalGE 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.
I 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!!!
See also my other auctions and visit my eBay store for more vintage tubes and tube parts. More than 250000 NOS tubes in stock and more than 35 years in tube business.
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4.6 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
Nice shirt, excellent quality, nice cloth and buttons. No pockets A+
Fit Type: Regular Fit, Color: White, Size: Large
Nice quality shirt cut a little small. The shirt kind of needs to be pressed before wearing however at this price point and quality its a buy!
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Fits perfect
Fit Type: Regular Fit, Color: Grey, Size: X-Large
This shirt is a perfect fit. I would buy it again in other colors.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Comparable to high end mens shops!
Fit Type: Regular Fit, Color: Blue, Size: Large
Beautiful, heavy blue Oxford comparable to upper end mens store at 75% less! Full cut, great for casual wear or sending out for professional starching. Downside, no pocket, but I had mine monogramed wear the pocket would be and it looks like an expensive dress shirt. I bought more (with pockets) in blue & white
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Reviewed in the United States on May 3, 2026
★★★★★ 3
Heavier fabric, very durable
Fit Type: Regular Fit, Color: Grey, Size: Large
3 stars. Pretty nice shirt but the fabric is a bit firmer than i like. I iron it when i usually wear it so that it looks half decent since wrinkle resistance is low or poor. I usually have to use a higher setting on the fabric since the material is thick making it alot heavier. Overall great for the lower end cost, anything that beats it would probably be double the price. I work in a cubicle so this works well for me, a simple shirt, with a simple color.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
True to size, good quality, great value!
Fit Type: Regular Fit, Color: White, Size: Medium
Great quality! Amazing thick material! Perfect basic button down shirt!
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Reviewed in the United States on December 14, 2025
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