1 sale rectifier square getter measurement value 66 (reject value 40) There is no manufacturer logo ※ The measured value is the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: none
Pair tube, direct heat triode, engraved, eggplant tube, made in America, measured value 66/64 (rejection value 47) with white box ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Large triode sold in Japan measured IP value per unit: 45 mA (the best standard IP value for this amplifier is 50 mA) Getter burns and decreases a lot, so it's cheap, white box included (with writing) ※ I checked the sound output with a test amplifier and measured the plate current value, and it was determined that the operation was good (Kojima Yosuke)
Accessories: white box
The disposal price was reduced. Not applicable for member discounts. 2021.8.22 Selling price 380,000 yen. Pair tube direct heat trilode ring getter There is a print of “USN-CW” on the base but probably a reprint, from the structure it seems WE300B since the 80's measured value 78/70 (reject value 58) With a white box ※The pair is judged based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: white box
Pair tube, double triode, VT-231, equivalent tube, metal foot, made in China, measured value 98/90 (rejected value 50) with original box ※The pair is determined based on the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, dual triode, VT-231, equivalent tube, metal foot, made in China, measured value 100/98 (rejected value 50) with original box ※The pair is determined based on the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single rectifier tube 5U4G equivalent tea base measurement value 54 (rejection value 40) with white box (written on the box) base has adhesive marks ※The measured values indicate the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Rectifier tube sold per bottle 5U4G equivalent tea base measurement value 54 (rejection value 40) The logo sticker with the original box is partially missing ※The measured value shows the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Rectifier tube sold per bottle 5U4G equivalent tea base measurement value 54 (rejection value 40) with original box ※The measured value shows the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
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
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