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- description
- Pair tube heatwave pentode tube made in America measured value 60/60 (rejected value 36) logo printing with original box is disappearing ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube heatwave pentode tube made in America measured value 60/58 (rejected value 36) logo printing with original box is disappearing ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube Chinese eggplant tube metal foot measurement value 74/74 (rejected value 58) with original box*Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:SUN VALLEY
Price: JPY 2,727(only one piece)
- description
- Sold per bottle Sunvalley sorting ball beam output tube measured value 62 (rejected value 44) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 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 brown 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: tea box (damaged)
- description
- Large triode tube, made in China, seems to have the same structure as Golden Dragon 845 Premium Metal. Measured Ip value: 73/72mA (the best standard IP value for this amplifier is 75mA) 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
Manufacture:SUN VALLEY
Price: JPY 22,727(pair)
- description
- Pair tube large triode tube Sun Valley sorting sphere measured Ip value: 71/68mA (the best standard IP value for this amplifier is 75mA) *The test amplifier makes sound, measures plate current values, and operation has been checked (Kojima Yosuke) Accessories: original box
Manufacture:SUN VALLEY
Price: JPY 19,091(pair)
- description
- Pair tube Sun Valley sorting ball direct heat triode tea base made in China measured value 72/68 (rejected value 58) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- *Set of 2 (not treated as a pair due to differences in structure between the two tubes) Heated Beam Output Tube, Dharma Tube, Metal Brown Base, Made in America, Measured Value 64/62 (Rejected Value 44) with white box ※Measured values indicate gM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box
- description
- Sold 1 bottle ECC82 compatible ball long plate, made in America, measured value 102 (rejected value 56) with white box, logo printing has disappeared ※The measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode made in America measured value 72/70 (rejected value 42) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube direct heat triode tube made in America measured value 74/74 (rejected value 42) The printing design is different on both tubes, but the internal structure is the same*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- It was determined that it was made in China from the pair tube direct heat triode structure. Measured value 78/76 (rejected value 58) *The pair was determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/44 (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
- description
- 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
- description
- Pair tube 6CA7 compatible ball measurement value 54/54 (rejected value 30) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube 6CA7 compatible ball measurement value 52/52 (rejected value 30) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube 6CA7 compatible ball measurement value 54/52 (rejected value 30) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:ELECTRO HARMONIX
Price: JPY 5,909(pair)
- description
- Pair tube, 6CA7 compatible ball, made in Russia, 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
- description
- Set of 2 (special products are very different, so they are not treated as pairs), double triode tubes, American, measured value 118/100 (rejected value 50) with original box ※ measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box (often damaged)
- description
- Pair tube, double triode tube, American black plate, square getter, measured value 102/96 (rejected value 50) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:ELECTRO HARMONIX
Price: JPY 5,909(pair)
- description
- Pair tube, 6CA7 compatible ball, made in Russia, measured value 48/48 (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
- description
- Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/40 (rejected value 30) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:GOLDEN DRAGON
Price: JPY 1,818 Sold Out
- description
- Set of 2 (2 are not treated as a pair because the measured values are very different) double triode tubes made in China, measured value 104/90 (rejected value 50) with white box ※ measured values are gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube EL34 compatible thick tube measurement value 52/52 (rejected value 30) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode made in Russia lot: 0402/0402 measured value 64/62 (rejected value 38) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube EL84 compatible spherical pentode tube made in Japan Hi-Fi measurement value 86/82 (rejected value 50) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube thick tube, made in America, measured value 48/46 (rejected value 30), both tubes with original box have burnt getters, so they are inexpensive ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Single sale thermal beam tube, made in England lot: 8242Z, measured value 64 (rejected value 44), the head getter with white box has been drastically reduced, so it is inexpensive ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube ambient heat beam tube made in England lot: 8226Z/8242Z measured value 64/60 (rejected value 44) The side getter with the white box is burnt, and the head getter has also been reduced, so it's cheap ※Pairs are judged based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
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Hi-Fi Do Record Shops Softs, Audio parts and Tubes can ship overseas.Ordinary,we use EMS but for large order,we use SAL or Surface.For Asia,it cost 1,200JPY/1LP,900JPY/1CD.Please check at the shipping cost table for more detail.
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