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SED "Winged C" 6550C |
Svetlana Electron Devices from the St. Petersburg Factory
Platinum Triple Point Matched |
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SED "Winged C" KT88 |
Svetlana Electron Devices from the St. Petersburg Factory
Platinum Triple Point Matched |
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Chinese KT88 |
Current Production copy of the legenday Genalex
Platinum Triple Point Matched |
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Tung-Sol 6550 |
Russian Current Production copy of the Tun-Sol 6550
Platinum Triple Point Matched |
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Svetlana 6550C |
Manufactured by New Sensor
Platinum Triple Point Matched |
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