Pair tube made in 2022 (code 2226/2226), genuine electric direct heat triode tube, American graphene coating, measured value 74/72 (rejected value 58), original box (in wooden box), in good condition with quality assurance certificate ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (with wooden box), quality assurance certificate
Pair tube direct heat triode double square getter JAN measured value 58/56 (rejected value 38) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode code: 8139/8139 American measured value 82/78 (rejected value 58) There is a slight burn on the top of the tube with the original box ※The pair is judged based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6 SJ7 high reliability tube, red metal tube, made in America, measured value 70/68 (rejected value 40) with tea box ※Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: tea box
*Set of 2 (not treated as a pair because the measured values are very different) TUNG SOL OEM doorknob tube measurement value 80/66 (rejected value 44) with white box ※The measured values indicate gM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube metal brown base made in America measured value 68/66 (rejected value 44) There is discoloration and getter burn on the base part with the original box*The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube ambient heat beam tube made in Slovakia measured value 58/54 (rejected value 44) with replacement box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Selling 1 bottle CV4085/6267 compatible ball mesh shield lot:??? It has L7E5 TekeFunken printing, but it was determined from the structure and date code that it was made by Mullard, measured value 62 (rejected value 33) with original box, and the printing is often erased ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle sold with diamond mark 6267/CV4085 compatible ball nickel plate measurement value 54 (rejected value 31) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Pair tube VT-115A compatible ball smoke double square getter measurement value 40/40 (rejected value 25) with original box (box lid is missing) *Pairs are determined based on Gm values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube American square getter code: 8707 measured value 44 (rejected value 40) There are slightly fewer getters with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The pair tube 6CA7 compatible ball brown base double ring getter BRIMAR print is attached, but due to the structure, it seems to be made by TESLA. The measured value is 50/50 (rejected value 30), there is a getter burn with a white box ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6CA7 compatible ball tea base made in Slovakia lot: 9825/9825 measured value 56/56 (rejected value 30) with white box*Pairs are judged based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 70/68 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 68/68 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 68/68 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The price has been reduced. 2017/12/25 sales price 40,000 yen The test machine hasn't been checked, so it's being handed over as is. (The heater was OK to conduct. (Filament checks with tube checkers or amplifiers are not performed.) Sold as 1.
The price has been reduced. 2017/12/25 sales price 40,000 yen The test machine hasn't been checked, so it's being handed over as is. (The heater was OK to conduct. (Filament checks with tube checkers or amplifiers are not performed.) Sold as 1.
The price has been reduced. 2017/12/25 sales price 60,000 yen The test machine hasn't been checked, so it's being handed over as is. (The heater was OK to conduct. (Filament checks with tube checkers or amplifiers are not performed.) Sold as 1.
Pair tube 5 pole tube top grid lot: 5739/6152 measured value 44/40 (rejected value 30) adhesive is applied to the one-sided grid cap with original box and the joint part between the base and glass tube*Pairs are determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 90/86 (rejection value 55) 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 7DJ8 compatible ball 6DJ8 7V specification Dutch measurement value 80 (rejected value 62) with white box ※The measured value is a test machine TV-7U, and GM values are measured with 6DJ8/ecc88 settings (Kojima Yosuke)
Accessories: white box
Pair tube, KT88 compatible ball, American metal base, measured value 68/64 (rejected value 44) with original box ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, KT88 compatible ball, American metal base, measured value 62/62 (rejected value 44) with original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube VT-115A compatible bulb smoke made in America, measured value 40/38 (rejected value 25) with original box ※Pairs are determined based on Gm values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube large triode tube made in Japan Actual measured IP value: 46/44mA (the best standard IP value for this amplifier is 50mA) There are adhesive marks on the base part on one side, and the other side is inexpensive because there are few getters ※Sound is checked and plate current values are measured with a test amplifier, and it has been determined that operation is good (Kojima Yosuke)
Accessories: none
Single sale rectifier tube 5R4GY equivalent tube tea base double gettering measurement value 54 (rejection value 40) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Rectifier tube sold per bottle, French square getter, measured value 52 (rejected value 40) There is an adhesive mark on the root part of the tube with the original box, and the printing on the tube has disappeared ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, made in America, JAN smoke measurement value 62/60 (rejection value 38) 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 made in England black base measurement value 60/58 (rejection value 44) There is a getter burn with a replacement box, and the number of getters on the head has decreased ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold in 1 bottle 12AX7/ECC83 compatible ball, it seems to be an old type because there are 2 struts that support the supreme reliability tube metal foot getter. Measured value 54 (rejected value 32) There is printing friction ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold in 1 bottle 12AX7/ECC83 compatible ball, it seems to be an old type because there are 2 struts that support the supreme reliability tube metal foot getter. Measured value 54 (rejected value 32) There is printing friction ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 6CA7 compatible sphere top chip date code, judged to be made by Ei based on structure, Yugoslavian measurement value 46/44 (rejected value 30) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 44/44 (rejected value 30) lettering with replacement box is missing ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but the printing was determined to be CV4004 from the structure, and the printing was determined to be a reprint. The plate is not a box type, only one side of the rib plate is caulked. Sold in 1 bottle, ECC83/M8137 equivalent tube, measured value 44 (rejected value 32) with a replacement box ※The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but the printing was determined to be CV4004 based on the structure. The plate is not a box type, only one side of the rib plate is caulked. Sold in 1 bottle, ECC83/M8137 equivalent tube, measured value 36 (rejected value 32) with replacement box ※The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 86/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 84/84 (rejected value 55) 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 EF86/6267 compatible ball, military high reliability tube mesh measurement value 46 (rejected value 33), seems to be made by GEC due to the structure. Comes with a white box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *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 American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *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 Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle EL34 compatible ball, made in Japan, black plate, measured value 52 (rejected value 30) with original box, there is a slight getter burn ※ pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam tube measurement value 40/38 (rejection value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian lot: 0202/0107 measured value 36/36 (rejected value 25) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (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 66/64 (rejected value 44) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 64/64 (rejected value 44) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box