![Strong Testing Sylvania 6Sn7gtb, Etracer Tested, Low Microphonics, High Gain!!](https://i.ebayimg.com/thumbs/images/g/jawAAOSwXeRk~E1U/s-l140.jpg) | Strong Testing Sylvania 6Sn7gtb, Etracer Tested, Low Microphonics, High Gain!! | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 41.99 | EUR 19.02 | | US | 9d 2h 4m |
![Sylvania 6Sn7gtb "True Nos" Chrome Dome Tubes * Platinum Matched On At1000 *](https://i.ebayimg.com/thumbs/images/g/3W0AAOSwFc9mZcEW/s-l140.jpg) | Sylvania 6Sn7gtb "True Nos" Chrome Dome Tubes * Platinum Matched On At1000 * | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 93.21 | EUR 17.94 | | US | 9d 6h 13m |
![Sylvania 6Sn7gtb "True Nos" Chrome Dome Tubes * Platinum Matched On At1000 *](https://i.ebayimg.com/thumbs/images/g/fG8AAOSwrWxmZcN0/s-l140.jpg) | Sylvania 6Sn7gtb "True Nos" Chrome Dome Tubes * Platinum Matched On At1000 * | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 93.21 | EUR 17.94 | | US | 9d 6h 19m |
![Sylvania 6Sn7 Gt 2 Hole Vacuum Tube 1950 2060|2630](https://i.ebayimg.com/thumbs/images/g/0pgAAOSwA~VaOqD8/s-l140.jpg) | Sylvania 6Sn7 Gt 2 Hole Vacuum Tube 1950 2060|2630 | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 27.98 | EUR 17.73 | | US | 9d 7h 10m |
![2 Sylvania 6Sn7 Gtb Labeled For Baldwin 3 Hole T- Plates Matching Date Code 1959](https://i.ebayimg.com/thumbs/images/g/zbgAAOSwrCBmU4gm/s-l140.jpg) | 2 Sylvania 6Sn7 Gtb Labeled For Baldwin 3 Hole T- Plates Matching Date Code 1959 | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 37.32 | EUR 32.30 | | US | 9d 9h 23m |
![Pair Sylvania 6Sn7gtb Chrome Top Black T-Shaped Getters Vintage Electronic Tubes](https://i.ebayimg.com/thumbs/images/g/OZ0AAOSw4q1l7fm7/s-l140.jpg) | Pair Sylvania 6Sn7gtb Chrome Top Black T-Shaped Getters Vintage Electronic Tubes | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 37.32 | EUR 31.35 | | US | 9d 9h 25m |
![Strong Testing Sylvania 6Sn7gt, Rare Flat Plates, Etracer Tested High Gain!](https://i.ebayimg.com/thumbs/images/g/ZwkAAOSwZ-Zk~QFD/s-l140.jpg) | Strong Testing Sylvania 6Sn7gt, Rare Flat Plates, Etracer Tested High Gain! | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 38.26 | EUR 19.02 | | US | 9d 14h 52m |
![Strong Testing Sylvania 6Sn7gt, Rare Flat Plates, Etracer Tested Very High Gain!](https://i.ebayimg.com/thumbs/images/g/dc4AAOSwTR5k~QOH/s-l140.jpg) | Strong Testing Sylvania 6Sn7gt, Rare Flat Plates, Etracer Tested Very High Gain! | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 41.99 | EUR 19.02 | | US | 9d 15h 2m |
![Strong Testing Sylvania 6Sn7gt, Bad Boy Style 3-Hole Plates, Low Microphonics!](https://i.ebayimg.com/thumbs/images/g/mhkAAOSwE95k~Qkx/s-l140.jpg) | Strong Testing Sylvania 6Sn7gt, Bad Boy Style 3-Hole Plates, Low Microphonics! | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 67.18 | EUR 19.02 | | US | 9d 15h 26m |
![A Vintage Jan/Sylvania 6Sn7wgta Brownbase Blackplate Nos/Nib Vac Tube](https://i.ebayimg.com/thumbs/images/g/X0QAAOSwsJJlTYJ4/s-l140.jpg) | A Vintage Jan/Sylvania 6Sn7wgta Brownbase Blackplate Nos/Nib Vac Tube | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 69.98 | EUR 23.28 | | US | 9d 15h 34m |
![Sylvania 6Sn7gtb Black Plate. Used In Box](https://i.ebayimg.com/thumbs/images/g/od8AAOSwBSRg6O6f/s-l140.jpg) | Sylvania 6Sn7gtb Black Plate. Used In Box | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 12.88 | EUR 21.17 | | US | 9d 16h 7m |
![Two, New, Sylvania 6Sn7gtb, Chrome Dome, Matching Date Pair, 6Sn7gt](https://i.ebayimg.com/thumbs/images/g/6BQAAOSwwXdkq1d4/s-l140.jpg) | Two, New, Sylvania 6Sn7gtb, Chrome Dome, Matching Date Pair, 6Sn7gt | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 97.92 | EUR 24.26 | | US | 9d 16h 11m |
![Sylvania 6Sn7gtb Audio Vacuum Tube Tested Vintage Chrome Dome A908.C](https://i.ebayimg.com/thumbs/images/g/gkYAAOSwrkll1jZu/s-l140.jpg) | Sylvania 6Sn7gtb Audio Vacuum Tube Tested Vintage Chrome Dome A908.C | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 21.46 | EUR 16.79 | | US | 9d 16h 31m |
![Two, New In Box, Sylvania 6Sn7gtb, Chrome Dome, Matching Pair #3, 6Sn7gt](https://i.ebayimg.com/thumbs/images/g/6N8AAOSwzqNl7U-S/s-l140.jpg) | Two, New In Box, Sylvania 6Sn7gtb, Chrome Dome, Matching Pair #3, 6Sn7gt | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 97.92 | EUR 24.26 | | US | 9d 20h 33m |
![Two, New, Sylvania 6Sn7wgta, Military, Match Date Pair #4, 6Sn7gt, 6Sn7gta Eq](https://i.ebayimg.com/thumbs/images/g/CcUAAOSwuVRl7Vg7/s-l140.jpg) | Two, New, Sylvania 6Sn7wgta, Military, Match Date Pair #4, 6Sn7gt, 6Sn7gta Eq | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 144.58 | EUR 25.19 | | US | 9d 21h 7m |
![Motorola Sylvania 6Sn7 Gt Vacuum Tube Results = 2190/2440](https://i.ebayimg.com/thumbs/images/g/BdUAAOSw2ENW7Ff8/s-l140.jpg) | Motorola Sylvania 6Sn7 Gt Vacuum Tube Results = 2190/2440 | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 22.38 | EUR 17.73 | | US | 10d 4h 35m |
![1954 Sylvania 6Sn7gta Vacuum Tubes Strong Date Matched Quad (4) Black Plate](https://i.ebayimg.com/thumbs/images/g/zLkAAOSw~K5mPh7B/s-l140.jpg) | 1954 Sylvania 6Sn7gta Vacuum Tubes Strong Date Matched Quad (4) Black Plate | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 279.91 | EUR 30.42 | | US | 10d 4h 46m |
![Sylvania 6Sn7gt Matching Pair Electronic Tubes](https://i.ebayimg.com/thumbs/images/g/EiIAAOSw1FNjhVv2/s-l140.jpg) | Sylvania 6Sn7gt Matching Pair Electronic Tubes | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 83.97 | EUR 26.70 | | US | 10d 5h 55m |
![Two, Sylvania 6Sn7gtb, Black Plates, Chrome Dome, Match Date Pr #12, 6Sn7gt](https://i.ebayimg.com/thumbs/images/g/5SoAAOSwG3xjeZay/s-l140.jpg) | Two, Sylvania 6Sn7gtb, Black Plates, Chrome Dome, Match Date Pr #12, 6Sn7gt | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 60.60 | EUR 24.26 | | US | 10d 7h 10m |
![2 Nos Sylvania 6Sn7gtb Coin Base Tubes Usa 1979 Amplitrex At1000 18 Available](https://i.ebayimg.com/thumbs/images/g/ZvoAAOSw~41l7ebX/s-l140.jpg) | 2 Nos Sylvania 6Sn7gtb Coin Base Tubes Usa 1979 Amplitrex At1000 18 Available | ![Buy It Now Buy It Now](/images/bin.gif) | EUR 60.65 | EUR 25.93 | | US | 10d 8h 16m |