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- 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
- The price has been reduced! 2026/1/28 sales price 99,800 yen*Line exclusive model. A QUAD control amplifier with a modern design. It is characterized by its simple, straightforward, and bouncy texture, which brings out the thickness of the sound. By adopting a double triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. The exterior is dull and has small scratches. Serial 241677 (Yonejima Satoshi) Maintenance information: 2026.1.28 Operation confirmed Accessories: power cord Main specifications: Vacuum tube 6111WA x 1 (double triode) LINE input/RCA x 5 systems, TAPE input/output/RCA x 2 systems System, W300 x H88 x D125 mm, weight 3.4 kg
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
- 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
- description
- ※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American-made side getter measurement value 60/60 (rejection value 38) There is a burn on the tube head on one side ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: none
- description
- ※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American Square Getter Measured Value 64/56 (Rejected Value 38) There is a burn on the tube head on one side, and the getter is thin*The measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: none
- description
- Pair tube double triode tube American short base measurement value 104/94 (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 direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi. Measured value 66/64 (rejected value 38) with original box*Pairs are determined based on values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box (the box is damaged)
- description
- Pair tube direct heat triode smoke, made in America, seems to be an OEM product for Canadian Marconi, measured value 64/64 (rejected value 38) with original box*Pairs are determined based on values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box (the box is damaged)
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 (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 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)
- 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
- Pair tube double triode Russian reprint model measured value 118/114 (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
- 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
- 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
- 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
- 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
- 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
- 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
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
- 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
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
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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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