Pair tube, direct heating triode, gothic body print, 83, ring getter, made in America, measurement value 78/76 (rejection value 58) with original box ※ pairs are determined based on gm values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
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 1979 Direct Heat Triode Made in USA Lot: 7926/7926 Measurements 80/80 (Rejected Value 58) Noise Inside Base with Original Box, Adhesive Marks at Joint Between Base and Glass Tube, There is a slight burn on the head of the glass tube ※ The pair is judged based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair tube 1984 direct heat triode made in America Lot: 8426/8426 Measurement value 82/80 (critical value 58) Tube with original box There is a burn on the top of the head ※ The pair was measured with a tester TV-7 Judgment is based on the Gm value (Yosuke Kojima)
Accessories: original box
Pair Tube Small Punch Top Mark 6J7 Compatible Ball Made in America Measured Value 78/74 (Rejected Value 45) Original Box, Specifications Included ※ Pairs are judged based on the GM value measured by the tester TV-7 ( (Yosuke Kojima)
Accessories: original box, specifications
Pair Tube Reprinted 97 Model Lot: 9739/9739 Serial: 207576/207784 Direct Heat Triode American Measurements 82/80 (Critical Value 58) Original Box, Glass Tube with Measurement Table, Both getters are good ※ The pair is determined based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair Tube Reprinted 97 Model Lot: 9739/9739 Serial: 205355/205360 Direct Heat Triode USA Measurements 82/80 (Reject Value 58) Original box, Glass with Quality Guarantee Both tube and getter are good ※ The pair is determined based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box, quality guarantee
Pair tube 88 model direct heat triode made in USA lot: 8839/8839 measured value 80/78 (rejection value 58) glass tube with original box burned on head and getter is thin, so it is bargain ※ pair is judged based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair Tube 300B Equivalent Tube Direct Heat Triode Tube Made in England Tea Base Ring Getter Measured Value 66/64 (Rejected Value) 58 Original Box Included One Side Getter is slightly less* Pairs are measured with a tester TV-7 We are judging based on the Gm value we made (Yosuke Kojima)
Accessories: original 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
Disposal prices have been reduced. (Member discount is not applicable) 2023/9/4 sales price 288,000 yen pair tube direct heat triode made in 1984 (code: 8413/8439) ring getter American made measurement value 80/76 (rejected value 58) One side tube head with original box is burnt, and there are adhesive marks on one side base ※ The pair is determined based on GM values measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 97 reprint Model lot: 9739/9739 Serial: 207576/207784 Direct thermal triode Made in the USA Measurements 80/78 (Rejected Value 58) Original box, glass with quality warranty Both the tube and the getter are good ※ The pair is judged based on the GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box, quality warranty card
Pair tube direct heat triode German molybdenum plate gold foot ※ The measurement value comes out low due to the characteristics of molybdenum plate, but there is no problem with operation (Reference: Measurement value 48/46 by measuring instrument TV-7 (Rejection value 58)) Original box with measurement table (Yosuke Kojima)
Accessories: original box, measurement table
Pair tube 97 reprint Model lot: 9739/9739 Serial: 203784/203422 Direct heat triode Made in USA Measurements 80/78 (reject value 58) Original box included ※ Pair is testing machine TV We judge based on the Gm value measured at -7 (Yosuke Kojima)
Accessories: original box
Pair tube 97 reprint Model lot: 9739/9739 Serial: 208249/207920 Direct heat triode Made in USA Measured value 80/80 (rejection value 58) Original box included ※ Pair is testing machine TV We judge based on the Gm value measured at -7 (Yosuke Kojima)
Accessories: original box