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- description
- Pair tube VT-62 compatible ball brown base square getter measurement value 72/66 (rejected value 38) The printing on the tube part on one side has disappeared ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube direct heat triode Sun Valley sorting ball made in China measured value 58/56 (rejection value 38) There is a slight burn on the tube head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
Manufacture:Northern Electric
Price: JPY 25,455(pair)Sold Out
- description
- ※Since the measured value of 1 tube is low, it is inexpensive. Pair tube, STC 3A/141A, OEM tube, made in England, square getter, measured value 32/28 (rejected value 28) with tea box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: tea box
- description
- Sold 1 bottle CV25 equivalent tube, VT-4C/211 compatible ball, large triode tube, molybdenum plate (zirconium coating), measured IP value: 44mA (the best reference 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
- description
- Pair tube, CV25 equivalent tube, VT-4C/211 compatible ball, large triode tube, molybdenum plate (zirconium coating), measured IP value: 47/47 mA (the best reference IP value for this amplifier is 50 mA) 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
- description
- Pair tube direct heat triode tube made in Russia measured value 74/74 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- * The print design etc. attached to the tube are different on both tubes, but since the internal structure is the same, they were treated as a pair, pair tube, direct heat triode tube, made in Russia, measured value 78/74 (rejected value 58) with original box ※The pair is determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box (there are differences in design and size)
- description
- Pair tube direct heat triode tube, American black plate, double square getter, measured value 70/66 (rejected value 38) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:Western Electric
Price: JPY 252,727(pair)
- description
- Pair tube direct heat triode tube made in America lot: 8152/8152, measured value 78/76 (rejected value 58) with original box, both tubes have slight burns on the head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube 801/801A compatible ball, brown base, square getter, measured value 76/74 (rejected value 38) with white box, there is a slight getter burn ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:Westren Electric
Price: JPY 31,818(only one piece)
- description
- Sold 1 bottle 45 Special Compatible Ball Direct Heat Triode Fishing Rod Type Filament Engraved Made in America Measured Value 116 (Rejected Value 55) with White Box ※Measured values indicate gM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box
- description
- Pair tube ambient heat triode output tube made in Japan Hi-Fi measurement value 76/72 (rejection value 40) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
- description
- Selling 1 bottle, thick tube, 300B equivalent tube, direct heat triode, English tea base code: 7512, measured value 64 (rejected value 58) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube, 300B equivalent tube, direct heat triode tube, British tea base code: 7425/7425, measured value 64/64 (rejected value 58) with original box ※ pair is determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle, 300B equivalent tube, direct heat triode tube, English tea base code: 7420, measured value 64 (rejected value 58) with original box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Direct heat triode sold per bottle, made in Japan, double gettering measurement value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube made in Russia, measured value 88/86 (rejected value 58) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode made in America lot: 9107/9109 measured value 68/68 (rejected value 58) with original box, fewer getters on both sides (of which one side decreased drastically), tube burn on the head, and dirt on the tube*Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode made in America lot: 9745/9745 measured value 70/68 (rejected value 58) There is a getter missing on one side (see image 4) *Pairs are determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Pair tube, ambient heat beam tube, made in China, measured value 70/68 (rejected value 44) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:MATSUSHITA
Price: JPY 2,727(only one piece)
- description
- Single sale double triode voltage amplifier tube, made in Japan, measured value 68 (rejected value 30) with replacement box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
Manufacture:MATSUSHITA
Price: JPY 3,636(only one piece)
- description
- Sold 1 bottle EL84 compatible spherical pentode tube, made in Japan, W mark measurement value 80 (rejected value 50) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle E182CC compatible ball, American box plate, measured value 58 (rejected value 40) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube, E182CC compatible sphere, American box plate, measured value 50/50 (rejected value 40) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube E182CC compatible ball American box plate measured value 52/50 (rejected value 40) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Sold 1 bottle 6X4 compatible ball rectifier tube square getter measurement value 60 (rejection value 40) There is burn inside the tube with replacement box*The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box (the nails on the box are missing)
Manufacture:MATSUSHITA
Price: JPY 6,364
- description
- Single sale rectifier tube GZ34 compatible ball made in Japan flat head double gettering communication measurement value 54 (rejected value 40) with white box ※The measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube, white base, made in Slovakia, measured value 76/74 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode tube, white base, made in Slovakia, measured value 72/70 (rejected value 58) with original box ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode brown base black plate measured value 64/60 (rejected value 38) with original box*Pairs are determined based on gM values measured by testing 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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