Pair tube direct heat triode tube made in China There is no printing on the tube on one side, and there is a burn on the tube head on the other side measured value 68/68 (rejected value 58) with replacement box*Pairs are determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube direct heat triode tube made in China measured value 64/62 (rejection value 38) There is burn on the head of the tube on one side with a white box, and there is printing peeling and distortion*Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box