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
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
Sold in 1 bottle 12AX7 compatible ball made in Germany and determined from the German structure and date code to be ECC83 made in Germany Code: I62 Ki3C? Measured value 48 (rejected value 32) *The measured value represents the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: none
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
Sold 1 rectifier tube 5U4G/GZ37 compatible bulb tea base It seems to be made by Murad from lot number Lot: IS1 B7F3 Measured value 64 (rejection value 40) with original box ※ Measured value TV-7 Gm values measured in (Yosuke Kojima)
Accessories: Original box
Sold per bottle, 6CA7 compatible ball brown base, double gettering structure, seems to be made by TESLA. Measured value 50 (rejection value 30) with replacement box There is a getter burn ※The measured values indicate the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box