Pair tube 6CA7 compatible ball made in Russia, measurement value 48/46 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original 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
※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
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 per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Set of 2 (the internal shape seems to be the same, but the manufacturer country print is different (made in Canada/USA), so they are not treated as a pair), brown base measurement value 44/42 (rejected value 25), getta burns, and decreases) *Measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, metal, brown base, made in America, measured value 66/64 (rejected value 44) with original box (some written), sticker is attached to the base part, and there is a getter burn ※ The pair was determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube triode for Hi-Fi made in Japan*Pairs are determined based on EM values measured with the test machine EM-604 (Yosuke Kojima)
Accessories: none
Pair tube, English tea base, double gettering code: 8047/8048 measured value 56/54 (rejected value 32) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
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, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6BQ5 compatible ball pentode tube made in Russia, black plate, measured value 78/72 (rejection value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle of side-heat beam tube, made in France, smoke measurement value 42 (rejection value 25), replacement box included, printing is missing ※ the measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※Set of 2 (not treated as a pair since the internal shape is different between the tubes) KT88 compatible balls, Russian metal brown, base code: 0210/0601 measured value 56/50 (rejection theory 44) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/42 (rejection value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original 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
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, EL34 compatible ball, Russian tube, measured value 44/42 (rejected value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle sold CV4085/6267 compatible ball mesh shield code: 8Y5 L2B measurement value 56 (rejection value 33) all the prints with the white box have disappeared, but it was determined to be EF86 based on the structure and code ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6BQ5 compatible ball pentode tube measurement value 66/66 (rejection value 50) with original box SIEMENS print is printed, but it was determined from the structure and date code that it was made by Ei (made in Yugoslavia) ※The pair was determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original 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, EL84 compatible ball, pentode tube, made in Japan, measured value 84/80 (rejection value 50), both tubes have pin bends ※ pairs are determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: none
※Set of 2 (not treated as a pair due to different internal structures), double triodes, made in Russia, measured value 114/110 (rejection value 50), replacement box included ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, large beam output tube, 8147 compatible bulb, gray plate for Hi-Fi, with original box (outer box/inner box), has slightly decreased getter for both tubes ※ The pair measures and determines EM values with the measuring machine TC-162 (Kojima Yosuke)
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
※Set of 2 (both tubes are not treated as a pair since their structures are very different), deflection output tubes, made in America, measured value 66/64 (rejection value 38), with original box (box lid is missing) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1609/1610 measured value 56/54 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The price has been drastically reduced. 2024/1/15 sales price 118,000 yen pair tube 45 special compatible ball straight heat triode fishing rod type filament made in America measurement value 90/86 (rejected value 55) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 62/60 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 74/72 (rejection value 44) with white box*Pairs are determined based on gM values 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
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
Pair tube ambient heat beam tube made in Japan Hi-Fi measurement value 46/44 (rejection value 25) with original box (inner box/outer box) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
Pair tube military high reliability tube 6V6GT equivalent tube black base smoke measurement value 84/84 (rejected value 46), all but the printing on the top of the tube with white box has disappeared, but it was determined that it was CV511 based on the structure ※The pair was determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT66 equivalent tube, military British tea base, double gettering lot: XM/XM measured value 56/50 (rejected value 32) There is writing on the guide pin with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube KT66 equivalent tube military British tea base double gettering lot: XM/XM measured value 50/50 (rejected value 32) There is writing on the guide pin with white box*Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT88 compatible ball, American metal base, measured value 66/64 (rejected value 44) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube KT88 compatible ball American metal base measurement value 68/62 (rejected value 44) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 68/66 (rejected value 44) with replacement box*The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
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, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/40 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box