Pair tube EL34 compatible sphere made in Japan black plate measured value 54/54 (rejected value 30) with white box, the printing design is different on the left and right, but the internal structure is the same ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube EL34 compatible ball, black plate, made in Japan, measured value 54/54 (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
The Luxman selected tube set 12AX7 x 3/12 AU7 x 5 (with LUXMAN logo) 12AX7 is a GE print with the same structure as Siemens from the same period made in Yugoslavia, and the 12AU7 is a high-reliability type (6189) measuring instrument made by GE and seems to be an unused item due to the state of the tube measured by the TV-7 measuring instrument TV-7 made by GE! (KOJIMA Yosuke)
Accessories: original box, warranty card
MQ-360 vacuum tube set Lux selected product 6550A x 4, 12AU7 x 2, and 6FQ7 x 2 configurations 6550A is made by GE, 1 12AU7 is made in Yugoslavia, the other is a GE black plate specification, and the 6FQ7 all seem to be made by GE, and the printing is peeling due to aging, but it seems that it is an unused item due to tube condition! Both spheres have already been measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box, warranty card
Pair tube, CV25 equivalent tube, VT-4C/211 compatible ball, large triode tube, molybdenum plate (zirconium coating), measured IP value: 45/45 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
Pair tube, made in England, bell type smoke measurement value 78/74 (rejected value 46) with tea box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: tea box
Pair tube, made in England, bell type smoke measurement value 80/78 (rejected value 46) with tea box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Pair tube smoke, made in Canada, JAN measured value 88/88 (rejected value 46) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube made in China tube measurement value 58/58 (rejected value 32) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube made in China tube measurement value 56/56 (rejected value 32) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode made in Russia measured value 72/72 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Sold 1 bottle EL34 compatible ball, made in Japan, N mark measurement value 50 (rejected value 30) with original box (no inner cushioning material) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke
Accessories: original box
Pair tube 6SN7 compatible ball smoke made in England lot: 1185 MXA/1185 MXA measured value 64/64 (rejected value 50) with white box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6SN7GTY compatible ball tea base smoke code: unknown measured value 98/94 (rejected value 50) printing with castle box is erased ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 72/64 (rejection value 44) with replacement box*The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R1K1 box plate measurement value 44 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 52 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 42 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 40/36 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam output tube made in China lot: 97Z/97Z measured value 46/40 (rejected value 32) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 46/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 90/88 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 92/92 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube VT-115 equivalent pipe metal tube measurement value 42/40 (rejected value 25) There is slight rust on the tube with white box*Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/40 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube KT66 equivalent tube military British tea base double gettering lot: XM/XM measured value 50/50 (rejected value 32) There is writing on the guide pin with white box*Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT66 equivalent tube, military British tea base, double gettering lot: XM/XM measured value 56/50 (rejected value 32) There is writing on the guide pin with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, ambient heat beam tube, English tea base, measured value 72/66 (rejected value 44) with original box (there is writing on the box), printing is often erased ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube 5AR4 compatible ball saw plate (4 notch type) code: f32 B5F4 measured value 58 (rejection value 40) There is a decrease in getters and there is burn ※The measured value is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube made in China metal base GEC design tube lot: 97Z/97Z measured value 68/66 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube made in China metal base GEC design tube lot: 97Z/97Z measured value 72/62 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube made in China metal base GEC design tube lot: 97Z/97Z measured value 64/62 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube 5AR4 compatible sphere saw plate (4 notch type) code: unknown measured value 56 (rejected value 40) There is no date code, but it was determined that it was made by Mullard based on the structure ※ measured values are determined based on GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 6B4G equivalent ball military tube direct heat triode tea base lot: 1E9 211/1E9 211 measured value 70/66 (rejected value 38) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6B4G equivalent ball military tube direct heat triode tea base lot:? E9 211/unknown measured value 68/66 (rejected value 38) with white box*The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) There are few getters on one side (Kojima Yosuke)
Accessories: white box
Pair tube military high reliability tube 6V6GT equivalent tube black base smoke measurement value 84/84 (rejected value 46), all but the printing on the top of the tube with white box has disappeared, but it was determined that it was CV511 based on the structure ※The pair was determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: white box
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 46/46 (rejected value 30) with original box on both left and right sides, and printing is often erased, so it is inexpensive ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The pair tube seems to be made of RFT due to its 6CA7 compatible sphere structure. Measured value 46/46 (rejected value 30) with original box on both left and right sides, and printing is often erased, so it is inexpensive ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, made in America, JAN measured value 74/74 (rejected value 38) with white box ※Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube made in China metal base GEC design tube lot: 97Z/97Z measured value 60/60 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6B4G equivalent ball military tube direct heat triode tea base lot: 3A8/3A8 measured value 64/64 (rejected value 38) with white box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6B4G equivalent ball military tube direct heat triode tea base lot: 2A8/4L7 measured value 66/66 (rejected value 38) with white box*Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube EL34 compatible ball made in Japan special mark measurement value 52/52 (rejected value 30) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box