![Sylvania 6SN7WGT Brown base, green letter Valve/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/s3UAAOSwLBVmeS0V/s-l140.jpg) | Sylvania 6SN7WGT Brown base, green letter Valve/Vacuum Tube - AVO Tested GBP 23.95 Category : Valves & Vacuum Tubes Seller : classiksound(1026, 99.1%) | ![Mullard GZ33 Full wave rectifier, R91, Valve/Vacuum Tube -- AVO tested 100%](https://i.ebayimg.com/thumbs/images/g/LjYAAOSwqY1mfoRv/s-l140.jpg) | Mullard GZ33 Full wave rectifier, R91, Valve/Vacuum Tube -- AVO tested 100% GBP 23.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Mullard GZ32 Full wave rectifier, bottom D-Getter Valve/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/KmcAAOSwWzVmfoBZ/s-l140.jpg) | Mullard GZ32 Full wave rectifier, bottom D-Getter Valve/Vacuum Tube - AVO Tested GBP 37.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) | ![RARE GEC A2900 ECC81 Black Plate Disc GETTER NOS, Valve/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/5qQAAOSwiA9mYstD/s-l140.jpg) | RARE GEC A2900 ECC81 Black Plate Disc GETTER NOS, Valve/Vacuum Tube - AVO Tested GBP 197.95 Category : Valves & Vacuum Tubes Seller : classiksound(1015, 99.1%) |
![Rare GEC ECC83 / B339 Halo getter Valve/Vacuum Tube - AVO Tested strong & balncd](https://i.ebayimg.com/thumbs/images/g/E64AAOSwMLFmOkWi/s-l140.jpg) | Rare GEC ECC83 / B339 Halo getter Valve/Vacuum Tube - AVO Tested strong & balncd GBP 192.95 Category : Valves & Vacuum Tubes Seller : classiksound(1015, 99.1%) | ![1 Pair (x2) Raytheon 6SN7GT war time VT-231 Valves/Vacuum Tubes - AVO Tested](https://i.ebayimg.com/thumbs/images/g/gFAAAOSw5MFmh~Hd/s-l140.jpg) | 1 Pair (x2) Raytheon 6SN7GT war time VT-231 Valves/Vacuum Tubes - AVO Tested GBP 109.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Matched pair MOV/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes -AVO tested](https://i.ebayimg.com/thumbs/images/g/LyQAAOSwyc5mHSe3/s-l140.jpg) | Matched pair MOV/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes -AVO tested GBP 309.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) | ![Matched pair MOV/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes -AVO tested](https://i.ebayimg.com/thumbs/images/g/VbAAAOSwB3NllnUh/s-l140.jpg) | Matched pair MOV/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes -AVO tested GBP 284.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Matched pair MO-V/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes-AVO Tested](https://i.ebayimg.com/thumbs/images/g/gMkAAOSwfV9mgAli/s-l140.jpg) | Matched pair MO-V/GEC KT-66 Grey glass Brown Base Valves/Vacuum Tubes-AVO Tested GBP 239.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) | ![Matched pair JJ KT88 /6550 Power Tubes - Valves/Vacuum Tubes - AVO Tested Strong](https://i.ebayimg.com/thumbs/images/g/iFYAAOSweWtmQf9~/s-l140.jpg) | Matched pair JJ KT88 /6550 Power Tubes - Valves/Vacuum Tubes - AVO Tested Strong GBP 83.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Matched Pair Svetlana 6550C/KT88 'Winged C' Valves/Vacuum Tubes - AVO Tested](https://i.ebayimg.com/thumbs/images/g/jhAAAOSwULtl4cIP/s-l140.jpg) | Matched Pair Svetlana 6550C/KT88 'Winged C' Valves/Vacuum Tubes - AVO Tested GBP 169.95 Category : Valves & Vacuum Tubes Seller : classiksound(1015, 99.1%) | ![General Electric (GE) 6550 / KT88 Valve/Vacuum Tube - AVO Tested strong](https://i.ebayimg.com/thumbs/images/g/CL4AAOSwnnBmeSnf/s-l140.jpg) | General Electric (GE) 6550 / KT88 Valve/Vacuum Tube - AVO Tested strong GBP 69.95 Category : Valves & Vacuum Tubes Seller : classiksound(1026, 99.1%) |
![Matched quad GEC KT88 triple getter black plate Valves/Vacuum Tubes - AVO Tested](https://i.ebayimg.com/thumbs/images/g/1cwAAOSwS4dmT0Zg/s-l140.jpg) | Matched quad GEC KT88 triple getter black plate Valves/Vacuum Tubes - AVO Tested GBP 649.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) | ![Matched Pair NOS Sylvania 6SL7GT /VT-229 wartime Valves/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/XgMAAOSwYR9mfu-k/s-l140.jpg) | Matched Pair NOS Sylvania 6SL7GT /VT-229 wartime Valves/Vacuum Tube - AVO Tested GBP 99.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Rare vintage Genalex GEC KT88 Triple getter Valve/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/wlYAAOSw5MtlJT8b/s-l140.jpg) | Rare vintage Genalex GEC KT88 Triple getter Valve/Vacuum Tube - AVO Tested GBP 184.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) | ![VERY RARE MARCONI OSRAM B309 ECC81 BLACK WELDED PLATES SQUARE GETTER NOS 1952](https://i.ebayimg.com/thumbs/images/g/cwkAAOSww6lmYsfH/s-l140.jpg) | VERY RARE MARCONI OSRAM B309 ECC81 BLACK WELDED PLATES SQUARE GETTER NOS 1952 GBP 324.95 Category : Valves & Vacuum Tubes Seller : classiksound(1014, 99.1%) |
![Rare NOS GEC KT88 triple getter, black plate. Valve Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/maMAAOSwql9meGrU/s-l140.jpg) | Rare NOS GEC KT88 triple getter, black plate. Valve Vacuum Tube - AVO Tested GBP 224.95 Category : Valves & Vacuum Tubes Seller : classiksound(1026, 99.1%) | ![NOS vintage Brimar 6SL7GT Orange Label , D-Getter Valve/Vacuum Tube - AVO Tested](https://i.ebayimg.com/thumbs/images/g/iRcAAOSwfRZlDvSe/s-l140.jpg) | NOS vintage Brimar 6SL7GT Orange Label , D-Getter Valve/Vacuum Tube - AVO Tested GBP 64.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |
![Vintage E88CC TESLA matched Pair NOS ECC88 6DJ8 Valves/Vacuum Tubes - AVO Tested](https://i.ebayimg.com/thumbs/images/g/BaEAAOSwj61l3aO1/s-l140.jpg) | Vintage E88CC TESLA matched Pair NOS ECC88 6DJ8 Valves/Vacuum Tubes - AVO Tested GBP 74.95 Category : Valves & Vacuum Tubes Seller : classiksound(1015, 99.1%) | ![Brimar ECC88 / 6DJ8 Made in England Valve/Vacuum Tube - AVO Tested Strong](https://i.ebayimg.com/thumbs/images/g/4RkAAOSwTbxl7IT3/s-l140.jpg) | Brimar ECC88 / 6DJ8 Made in England Valve/Vacuum Tube - AVO Tested Strong GBP 24.95 Category : Valves & Vacuum Tubes Seller : classiksound(1028, 99.1%) |