Sold 1 bottle 12AU7 compatible sphere smooth plate measurement value 106 (rejection value 56) The printing with the white box has almost disappeared, but it was determined that it was an ECC82 made in Yugoslavia from the structure*The measured value represents the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle ECC82/12AU7 high reliability tube 6189 compatible ball rib plate made in Germany, measured value 94 (rejected value 56) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 44 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, but only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 36 (rejection value 32) with replacement box*The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.
Pair tube 6SL7 equivalent tube military tube brown base ring getter measurement value 52 (rejected value 32) with original box ※The measured value shows the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
1 sold in USA JAN tea base measurement 90 (rejection value 48) with original box ※ Measured value is gm value measured with tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair tube, 6L6GC compatible ball, high reliability tube, made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube 6BQ5 high reliability tube made in Japan measured value 72/68 (rejection value 46) *Pairs are determined based on GM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
Pair tube made in the USA side getter measurement value 62/58 (critical value 30) with JAN original box ※ The pair is determined based on GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box