Pair tube direct heat triode magnesia coating square getter code: 126/152, measured value 78/76 (rejection value 50), the tube head with a replacement box is burnt, and it is inexpensive because there are few getters ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box (made by WE, damaged a lot)
Pair tube direct heat triode ring getter code: 6813/6826 measured value 46/44 (rejected value 34) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube made in China white base metal foot measurement value 64/56 (rejected value 38) with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube made in China white base metal foot measurement value 64/64 (rejected value 38) with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/44 (rejected value 30) with white box both tubes have tube burn and getter burn, so they are inexpensive ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/44 (rejected value 30) with replacement box, both tubes have tube burns, getter burns, and printing on one side is often erased, so they are inexpensive ※Pairs are judged based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube smoke, made in Canada, JAN measured value 90/90 (rejected value 46) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold as 1 bottle, double triode tube, American black plate, square getter, measured value 96 (rejected value 50) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube small beam power tube made in Japan measured value 84/82 (rejected value 46) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube thick tube, made in America, measured value 44/42 (rejected value 30), both tubes with original box have burnt and reduced getters, and are inexpensive because there is dirt on the tube and base ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube thick tube made in America, measured value 46/44 (rejected value 30) with original box on one side, there is a getter burn on one side ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale double triode tube, made in Japan, measured value 108 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube double triode tube VT-231 equivalent tube made in Russia measurement value 106/104 (rejection value 50) There is printing distortion and disappearance of the one-sided tube with the original box ※Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube made in Russia, measured value 120/120 (rejected value 50) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube made in Russia measured value 116/114 (rejected value 50) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 12AX7 compatible sphere date cord, determined to be made by Mullard based on structure Code: I63 B5L1 measured value 52 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold in 1 bottle 12AX7 compatible sphere date cord, determined to be made by Mullard based on structure Code: I63 B5L1 measured value 40 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube American-made square getter measured value 118/108 (rejected value 50) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube double triode tube American smoke measurement value 56/54 (rejected value 32) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box