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- description
- A masterpiece tuner equipped with an 8-channel vari-controller. It was introduced to the world as the first pulse-counting unit developed by Trio ahead of the rest of the world, and it is a model with a reputation for sound quality. You can get a sense of satisfaction just by turning the heavy tuning knob. There are scratches on the tuning knob, top plate, and side (Oikawa Tetsuji) Maintenance information: 2025.9.7 operation confirmed Accessories: copy of instruction manual Main specifications: FM dedicated tuner, equipped with 8 vari-controllers, W440 x H154 x D393 mm, 11.5 kg
Manufacture:audio-technica
Price: JPY 2,727
- description
- Details are unknown, but it is a cartridge that was used as standard equipment on TRIO and ONKYO record players. The sound quality is clear and unobtrusive. How about an analog introductory machine (Oikawa Tetsuji) Maintenance information: 2025.9.3 operation confirmed Accessories: none Main specifications: needle pressure 2 g dead weight 6 g
- description
- Pair tube straight heat triode square getter JAN measured value 54/52 (rejected value 38) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
- 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
- Pair tube double triode tube made in Japan measured value 106/100 (rejected value 50) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
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 EL34 compatible ball triode sorting ball made in China measured value 46/46 (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
- It is thought to be made by Shuguang Electronics (China) due to the pair tube direct heat triode structure. Measured value 68/66 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
- description
- From the pair tube direct heat triode structure, the printing on the vacuum tube and base seems to be a reprint. Measured value 66/62 (rejection value 38) with white box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:International
Price: JPY 3,182(pair)
- description
- Pair tube double triode tube made in the Soviet Union measured value 112/108 (rejected value 50) with original box on one side has disappeared ※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, made in America, measured value 96/90 (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 (can be written on)
- description
- Direct thermal triode sold per bottle, made in America, measured value 56 (rejected value 38), there is a getter burn with a replacement box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube double triode power tube, made in America, JAN measured value 60/56 (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 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
- description
- Sold in 1 bottle, double triode, Russian reprint model, measured value 120 (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
- 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
- description
- Sold as 1 bottle, double triode tube, American black plate, square getter, measured value 96 (rejected value 50) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Single sale double triode tube, made in Japan, measured value 108 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Pair tube double triode tube VT-231 equivalent tube made in Russia measurement value 106/104 (rejection value 50) There is printing distortion and disappearance of the one-sided tube with the original box ※Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box
Manufacture:ELECTRO HARMONIX
Price: JPY 4,091(pair)
- description
- Pair tube double triode tube made in Russia, measured value 120/120 (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
Manufacture:ELECTRO HARMONIX
Price: JPY 4,091(pair)
- description
- Pair tube double triode tube made in Russia measured value 116/114 (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 tube American-made square getter measured value 118/108 (rejected value 50) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- Single sale double triode tube, made in Japan, measured value 96 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box
- description
- Sold as 1 bottle, double triode tube, made in America, measured value 106 (rejected value 50) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
Manufacture:SYLVANIA ECG
Price: JPY 2,727(only one piece)
- description
- Sold in 1 bottle, double triode tube, VT-231 equivalent tube, made in America, measured value 90 (rejected value 50) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box
Price: JPY 1,636
雑誌・書籍1000円以上で送料無料
- description
- ※Shipping service. Special Feature = Audition Test for 75 Separate and Integrated Models/World's First! Sound quality comparison of 11 output transformer models, and comparison of 28 successive direct thermal triode models. Published 1995/3/31. Since the photograph is a sample, the actual item may be broken or have markings etc.
Manufacture:International
Price: JPY 3,636(pair)
- description
- Pair tube double triode tube made in the Soviet Union measured value 104/100 (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 tube American D getter measurement value 74/72 (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
- description
- Pair tube double triode tube, made in America, D getter measurement value 84/82 (rejection value 50), there is burn on one side of the tube with white box, and there is getter burn ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box
- description
- Pair tube double triode tube made in America measured value 94/90 (rejected value 50) The printing design on the base part with the original box is different, but the structure is the same*Pairs are judged based on the gM value measured by the 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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