Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle, 300B equivalent tube, direct heat triode tube, English tea base, double ring getter, measured value 66 (rejected value 58) with original box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle, 6SL7 high-reliability tube, made in America, red brown base, black plate, measured value 58 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box