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1
- description
- Pair tube double triode tube American short base measurement value 108/104 (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 double triode Russian reprint model measured value 120/120 (rejected value 50) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:HEINTZ AND KAUFMAN
Price: JPY 11,818
- description
- Single sale direct heat triode tube, square getter, made in America, measured value 68 (rejected value 38) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:HEINTZ & KAUFMAN
Price: JPY 10,000
- description
- Single sale direct heat triode tube, square getter, made in America, measured value 50 (rejected value 38) 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 China There is no printing on the tube on one side, and there is a burn on the tube head on the other side measured value 68/68 (rejected value 58) with replacement box*Pairs are determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube direct heat triode tube made in China measured value 64/62 (rejection value 38) There is burn on the head of the tube on one side with a white box, and there is printing peeling and distortion*Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube British bell tube black base measurement value 54/54 (rejected value 39) There is discoloration on the plate with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube made in Russia, measured value 68/66 (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
- description
- Direct thermal triode sold per bottle, made in Russia, measured value 56 (rejected value 38) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- The pair tube direct heat triode is thought to be made in America due to its double square getter structure. The measured value is 62/54 (rejected value 38) with original box written on the base part on one side, and it makes a rustling noise inside the tube*The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:Western Electric
Price: JPY 90,727
- description
- The disposal price has been reduced (member prices are not applicable). 2025/3/28 sales price 148,000 yen per bottle engraved direct heat triode measurement value 46 (rejected value 34) with white box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 70/68 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 66/66 (rejected value 38) with original box (box is damaged) *Pairs are judged based on values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Pair tube direct heat triode double square getter JAN measured value 64/54 (rejected value 38) is inexpensive because there is a slight opening in the measured value with a white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: tea box
Price: JPY 1,091
雑誌・書籍1000円以上で送料無料
Price: JPY 1,364
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Separate volume Stereo Sound Tube Kingdom/Special Feature = Lonely World of Large Direct Thermal Triode Amplifiers 211 · 845/EL34 · 6CA7 Output Tubes = Listening and Comparing Current Production Tubes/Published 2008.5.28. Since the photograph is a sample, the actual product may be broken or there may be markings etc.
Price: JPY 1,364
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special feature = direct heat triode tube 2A3 listening comparison of 10 types of current production tube/ Revealing the power of compact speakers with tube amplifiers/immerse yourself in the realism of WE15B horn+8B, 9A amplifiers. Published 2008.8.28. Since the photograph is a sample, the actual item may be broken or have markings etc.
- description
- ※Only 1 direct thermal triode tube Czech serial 7267 measured value 76 (rejected value 58) with replacement box*Measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube direct heat triode tube, made in America, JAN smoke measurement value 62/60 (rejection value 38) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube 45 Special compatible ball straight heat triode tube fishing rod type filament measurement value 84/84 (rejected value 55) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
- description
- Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke) Accessories: original box
- description
- The large triode print sold in Japan has disappeared, but I think it was made by NEC from the structure. Measured IP value: 45 mA (the best standard IP value for this amplifier is 50 mA) with the original box ※ I checked the sound output with the test amplifier and measured the plate current value, and it has been determined that the operation is good (Kojima Yosuke) Accessories: original box
Manufacture:NATIONAL UNION
Price: JPY 36,364(pair)
- description
- Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke) Accessories: none
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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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