Sold 1 bottle 6922/CV2492 compatible ball, gold foot, made in Germany, measured value 94 (rejected value 50) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ambient heat beam tube, British tea base, 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 ambient heat beam tube British tea base measurement value 72/68 (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
Single sale direct heat triode tube, double square getter, made in Japan, measured value 80 (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, KT66 equivalent tube, military British tea base, double gettering lot: YH Z/YH Z measured value 58/56 (rejected value 32) with white box ※ pair is judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white 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 108/106 (rejected value 55) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Model measurement value 82/80 (rejected value 58) that reproduces the construction of the original WE300B, such as pair tube direct heat triode hanging type filament, getter holder bracket, etc., with original box (*comes with a very luxurious original box, but it's hard to take out) *Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle ECC83/12AX7 compatible ball JAN American measured value 40 (rejected value 32) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle ECC83/12AX7 compatible ball JAN American measured value 40 (rejected value 32) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value/44mA (the best standard IP value for this amplifier is 50mA) with original 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: original box
Pair tube 6B4G equivalent ball military tube direct heat triode tea base lot: 2A8/2A8 measured value 64/64 (rejected value 38) with white box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6B4G equivalent ball military tube direct heat triode double gettering brown base lot: 1E9 211/1E9 211 measured value 66/58 (rejected value 38) with white box*Pairs are judged based on GM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6B4G equivalent ball military tube direct heat triode double gettering brown base lot: 1E9 211/1E9 211 measured value 68/66 (rejected value 38) with white box*Pairs are judged based on GM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6B4G equivalent ball military tube direct heat triode tube tea base lot: 2A8/2A8 measured value 64/62 (rejected value 38) with white box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle, seems to be made in RFT due to its 6CA7 compatible sphere structure. Measured value 46 (rejected value 30) with original box, printing is often erased ※The measured values indicate gM values measured with the testing 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 48/46 (rejected value 30) There is a burn on the head of the tube with the original box*The pair is determined based on the gM value 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 46/46 (rejected 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
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 48/46 (rejected 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
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 46/46 (rejected 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
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 46/46 (rejected 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
Pair tube 6CA7 compatible ball RFT's original printed ball measured value 44/44 (rejected value 30) manufactured as an OEM ball such as TELEFUNKEN and SIEMENS, etc. There is slight burn on the tube head with the original box.*Pairs are judged based on the GM value measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7 compatible ball RFT's original printed sphere, measured value 46/44 (rejected value 30), manufactured as an OEM ball such as TELEFUNKEN and SIEMENS, etc. There is a slight burn on the tube head with the original box.*Pairs are determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
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