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- description
- A phono equalizer that makes it easy to enjoy analog records. You can enjoy an analog record player even with a premain amplifier (preamp) that does not have a PHONO input. The sharp, unobtrusive playback sound is attractive. There is some information in the manual. Serial 20040018 (Tamura Eiji) Maintenance information: 2026.2.5 operation confirmed Accessories: AC adapter, instruction manual Main specifications: input sensitivity 2.5 mV (MM) /0.25 mV (MC) gain 46 dB (MM) /64 dB (MC) input load resistance 47 kΩ (MM) /2 to 47 Ω (MC) W60 × H100 × D230 mm 1 kg
- description
- Pair tube, 211 equivalent tube, large triode tube, made in America, actual measured IP value: 49/47 mA (the best standard 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
- 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 68/66 (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
- 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
- Single sale direct heat triode tube, square getter, made in Japan, measured 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
- 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
Manufacture:Western Electric
Price: JPY 270,909(pair)
- description
- Pair tube direct heat triode tube made in America lot: 8826/8826 measured value 74/70 (rejected value 58) with original box ※ pair is determined based on gM value 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
- 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
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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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