All of the 6CA7 compatible ball prints on the pair tube have disappeared, but it seems that they are made of RFT from the structure. Measured value 44/44 (rejection value 30) foreign matter stays in the tube on one side with the original box (made by SIEMENS), and there is slight getter burn, so it's cheap ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 12AU7 compatible sphere smooth plate measurement value 114 (rejection value 56) almost all of the printouts with the white box have disappeared, but it was determined that it was an ECC82 made in Yugoslavia from the structure*The measured values represent the gm values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
※ Western Electric is printed, but since there is no date code on it, it is probably a reprint, determined to be made by National Electronics. Sold 1 bottle, large punch square getter, top grid, measured value 38 (rejected value 30), white box included ※The measured value shows the GM value measured with the test machine TV-7 (Yosuke Kojima)
Accessories: white box
1 sold tea base British logo has disappeared, but it seems to be made by GEC from the structure Measurements 66 (rejection value 44) side getter with white box is reduced, it is a bargain because there is a lot of burning ※ Measurements are The gm value measured by the tv-7 test machine is indicated (Yosuke Kojima)
Accessories: white box
Pair tube direct heat triode made in China Measured value 66/64 (critical value 38) with white box ※ The pair is determined based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: white box
1 sold ECC82 compatible sphere measurement value 78 (rejection value 56) The logo has been disappeared, but it seems to be made in Japan from the design and internal shape of the print ※ The measured value is denoting the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: None