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Manufacture:UNITED ELECTRONICS
Price: JPY 161,818(pair)Sold Out
- description
- Pair tube VT-4C equivalent tube large triode made in America Actual measured IP value: 49/45 mA (the best standard IP value for this amplifier is 50 mA) with white box both tubes have burns inside the tube*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
Manufacture:UNITED ELECTRONICS
Price: JPY 86,364(pair)Sold Out
- description
- Pair tube, VT-4c equivalent tube, large triode tube, made in America, measured IP value: 49/49 mA (the best standard IP value for this amplifier is 50 mA) with white box, both tubes have getter burnt and loss ※Please note that depending on the shape of the socket, the socket may get caught in the protrusion around the pin at 1 place on the bottom and prevent it from coming out ※The sound output was checked with a test amplifier, and the plate current value was measured, and it was determined that the operation is good Yes (Kojima Yosuke) Accessories: white box
Manufacture:TELEFUNKEN
Price: JPY 11,818
- description
- There is a diamond mark sold per bottle, 12AX7 compatible sphere, smooth plate, measured value 46 (rejected value 32), and all the printings with the original box have disappeared, but it was determined that it was TELEFUNKEN ECC83 based on the structure ※The measured value indicates the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube ambient heat beam output tube made in Russia lot: 2108/2108 measured value 76/72 (GM value measured with KT88 setting value with measuring instrument TV-7) with original box ※ pair is determined based on gM value measured with test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- 1 bottle sale, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42 (rejected value 25) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle ECC83 compatible ball, made in Japan, measured value 44 (rejected value 32) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box (lid damaged)
- description
- Sold 1 bottle ECC83 compatible ball, made in Japan, measured value 50 (rejected value 32) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Sold per bottle, rectifier tube, GZ34 compatible ball, made in Japan, measured value 56 (rejected value 40) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box (bulk box)
- description
- Pair tube ambient heat beam tube British tea base lot: RC Z/QM Z measured value 72/66 (rejection value 44) with white box There is burn on the tube head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube ambient heat beam tube English tea base lot: PC 4/QM Z measurement value 68/66 (rejection value 44) with replacement box, getter burnt on the head ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube double triode tube 6188 equivalent tube black plate brown base measurement value 58/52 (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, double triode tube, 6188 equivalent tube, black plate, brown base, measured value 52/52 (rejected value 30), both tubes with original box are inexpensive because the number of getters has been reduced ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube smoke, made in France, measured value 86/84 (rejected value 46) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:WESTING HOUSE
Price: JPY 11,818(pair)
- description
- Pair tube smoke, made in Canada, JAN smoke measurement value 96/90, rejection value 46) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- * The model number printing has disappeared, but it was determined that it was 5692 based on the structure, sold 1 bottle 6SN7 high reliability tube, red base, double mica, made in America, measured value 90 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube made in America, measured value 42/42 (rejected value 23) with original box*Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:TELEFUNKEN
Price: JPY 10,000
- description
- Sold 1 bottle EF86/6267 compatible ball, maximum reliability tube, diamond mark measurement value 60 (rejected value 33), there is getter burn ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Rectifier tube sold per bottle, GZ34 compatible ball, made in America, measured value 56 (rejected value 40), there is getter burn ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Sold as 1 bottle, double triode tube, made in America, JAN brown base measurement value 80 (rejected value 32) *The measured value represents the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Single sale rectifier tube made in Japan double gettering measurement value 60 (rejection value 40) There is an adhesive mark at the joint between the tube and base ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:MATSUSHITA
Price: JPY 4,091(only one piece)
- description
- Sold 1 bottle EL34 compatible ball, made in Japan, W mark, W getter ring measurement value 50 (rejected value 30), there is getter burn ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Single sold rectifier tube made in Japan double gettering measurement value 58 (rejected value 40) makes an abnormal noise on the inside of the base ※The measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube ambient heat beam output tube made in China measured value 40/38 (rejected value 32) There is no printing with a white box, but it seems to have the same structure as GD KT66 RETRO from the structure*Pairs are judged based on GM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:PENTA LABRATORIES
Price: JPY 11,818(pair)
- description
- It seems to be a vacuum tube made in China due to the pair tube direct heat triode structure PENTA LABRATORIES sorting sphere measurement value 62/62 (rejection value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube ambient heat beam tube English tea base measurement value 64/64 (rejected value 44) side getters on one side with white box have been drastically reduced, and the other side is cheap because it makes a crackling noise inside the base.*Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box
Manufacture:ELECTRO HARMONIX
Price: JPY 10,909(pair)
- description
- Pair tube KT88/6550 compatible ball made in Russia code: 1409/1412, measured value 62/60 (rejected value 44) with original box, there is slight getter burn ※The pair is judged based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:ELECTRO HARMONIX
Price: JPY 3,182(pair)
- description
- Pair tube ambient heat beam tube made in Russia, measured value 38/36 (rejected value 25), there is a getter burn 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
- description
- Pair tube EL34/6CA7 compatible tube measured value 40/36 (rejected value 30) with original box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold per bottle, rectifier tube, VT-244 equivalent tube, made in Japan, black plate, measured value 60 (rejected value 40) *The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube, direct heat beam tube, metal tube for rapid operation, JAN made in America, measured value 68/62 (rejected value 43) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original 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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