Selling 1 bottle CV4003/12AU7/ECC82 compatible ball military high reliability tube box plate code:??? R? L3 measured value 96 (rejected value 56) with white box*Measured values indicate gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle CV4003/12AU7/ECC82 compatible ball military high reliability tube box plate code: 631 R2D4 measured value 96 (rejected value 56) with original box (box claws are missing) *Measured values indicate gM values measured with testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Selling 1 bottle ECC82 compatible ball, made in Japan, oblique skipping getter, measured value 96 (rejected value 56) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold 1 bottle CV4003/12AU7/ECC82 compatible ball military high reliability tube box plate code unknown (almost all prints have disappeared and cannot be confirmed) measured value 98 (rejected value 56) with white box ※ measured values indicate gM values measured with testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Selling 1 bottle ECC82 compatible ball, made in Japan, oblique skipping getter, measured value 98 (rejected value 56) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
The price has been drastically reduced. 2024.1.7 sales price 118,000 yen quad-pair tube Czech side-heat beam output tube serial 0797/0970/0975/1078 measured value 68/66/64/68 (rejection value 44) with original box, measurement table, quality assurance certificate The tube head is burnt, and there is corrosion on the metal part of the base ※The measured value shows the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box, measurement table, quality assurance certificate
Sold 1 bottle ECC82 compatible ball, made in Japan, measured value 96 (rejected value 56) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube, subthermal beam tube, made in China, measured value 72/70 (rejection value 44), is inexpensive because glass pieces are stuck in the tube on one side with the original box ※ pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ambient heat beam tube, made in China, measured value 68/68 (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 American-made ambient beam tube measurement value 40/38 (rejection value 25) printing is often erased ※Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube Russian reprint model lot: 1610/1609 measured value 52/52 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1609/1609 measured value 54/54 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube metal brown base, made in Russia, 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: white box
Pair tube Russian reprint model lot: 1610/1609 measured value 50/48 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube McIntosh printed heatwave tube measured value 66/56 (rejection value 44) with white box*Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube English tea base lot: 7935/7936 measured value 78/78 (rejected value 44) There is a decrease in getters with replacement boxes, and it is inexpensive because it makes a rattling noise within the base on one side ※Pairs are determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube Russian reprint model lot: 1611/1707 measured value 50/50 (rejected value 44) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1707/1707 measured value 46/46 (rejected value 44) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1611/1611 measured value 48/46 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube made in Russian reprint model lot: 1710/1710 measured value 56/56 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1707/1710 measured value 54/52 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1611/1710 measured value 56/56 (rejected value 44) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam tube, made in England, black base lot: 8512/unknown measured value 72/68 (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
Sold as 1 bottle American smoke square getter measured value 44 (rejected value 25) with white box ※The measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube made in America measured value 94/94 (rejected value 50) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube direct heat triode tube American double square getter measured value 64/54 (rejection value 38) and the structure is the same, but the color of the plate part is slightly different, so it's inexpensive ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Set of 2 (not treated as a pair due to some differences in internal structure) Direct thermal triode tube, Russian measurement value 66/64 (rejected value 38) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Buy 1 Rectifier Tube 5AR4 Compatible Sphere Saw Plate Code:??? B2F3 measurement value 54 (rejected value 40) It is a Siemens print, but it was determined that it was made by Mullard based on the structure and date code ※The measured value is determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Buy 1 Rectifier Tube 5AR4 Compatible Sphere Saw Plate Code:??? B2F3 measured value 56 (rejected value 40) It is a Siemens print, but it was determined that it was made by Mullard based on the structure and date code ※The measured value is determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube smoke bell type measurement value 72/66 (rejected value 46) with white box (there is writing on the box) logo print on one side has disappeared ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle, 211 equivalent tube, large triode tube, made in America, measured IP value: 47mA (the best standard IP value for this amplifier is 50mA) with white box*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: white box
Sold 1 bottle, 211 equivalent tube, large triode tube, made in America, measured IP value: 45mA (the best standard IP value for this amplifier is 50mA) with white box*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: white box
Pair tube military high reliability tube 6V6GT equivalent tube black base smoke measurement value 80/80 (rejected value 46) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube smoke square getter made in Canada JAN measured value 90/90 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube smoke square getter made in Canada JAN measured value 88/88 (rejected value 46) with original box ※Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube pentode tube smoke measurement value 88/86 (rejection value 50) with white box, smoke condition is weak on one side ※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 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
1 bottle sale English tea base double gettering measurement value 52 (rejected value 32) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube 1997 reprint model code: 9739/9739 direct thermal triode made in America, measured value 84/80 (rejected value 58) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle, VT-4C equivalent tube, large triode tube, made in America, measured IP value: 46mA (the best standard IP value for this amplifier is 50mA) with white box*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: white box
Pair tube, English tea base, double gettering measurement value 52/52 (rejected value 32) with original box ※Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 801/801A compatible ball, brown base, square getter, measured value 68/66 (rejection value 38) with box ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke)
Accessories: brown box
Pair tube EL34/6CA7 equivalent tube made in England lot: 7828/7828 double gettering measurement value 48/48 (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 EL34/6CA7 equivalent tube made in England lot: 7811/7811 double gettering measurement value 58/50 (rejection 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 of direct heat transistor, made in America, measured value 70 (rejection value 38) with replacement box (there is writing), model number printing is quite thin, there is slight rattling between the tube and base ※The measured values are shown as values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
1 bottle sold, 12AX7 compatible ball, smooth plate, measured value 60 (rejected value 32) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
1 bottle, smooth plate without diamond mark, 12AX7 compatible ball, measured value 58 (rejection value 32) with replacement box ※ measured value shows GM value measured with test machine TV-7 (Kojima Yosuke)
1 bottle sold, 12AX7 compatible ball, smooth plate, measured value 60 (rejected value 32) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
1 bottle sold 12AX7 compatible ball, made in England, code: I63 B7D3 measured value 44 (rejected value 32) with white box ※ measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box