1 bottle, smooth plate, 12AU7 compatible ball, measured value 104 (rejection value 56) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
1 bottle, smooth plate without diamond mark, 12AU7 compatible ball, measured value 94 (rejection value 56) with original box ※ measured value shows GM value measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, side-heat beam tube, made in Russia, measured value 44/44 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold in 1 bottle, 6DJ8 compatible ball, printed by TELEFUNEN, but it was determined from the structure and date code that it was made in the Netherlands Code: GAG Delta4L2 Measurement value 84 (rejection value 62) with original box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ECL82 compatible ball, tripole, five-pole composite tube, made in Japan, measured value 76/74 (rejection value 56) *Pairs are determined based on gM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: none
1 bottle sold, 12AU7/ECC82 compatible ball, black plate, made in America, measured value 104 (rejection value 56) *The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold in 1 bottle, 12AX7 compatible ball, made in England, all the prints have disappeared, but I determined that it was Mullard ECC83 from the structure and dating code code code: I6? B? F2 measurement value 56 (rejection value 32) *The measured value shows the GM value measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
The 6DJ8 compatible ball sold in 1 bottle is a TELEFUNEN print, but it was determined from the structure and date code that it was made in the Netherlands. Code: GAG Delta4L2 Measurement value 96 (rejected value 62). The logo print with the original box has disappeared ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6085 compatible ball SQ gold foot box plate measurement value 54/48 (rejection value 32) There is wear and tear on the original boxed print ※ The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle of rectifier tube, EZ81 compatible bulb, made in Japan, measured value 52 (rejection value 40) with original box ※The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The 6DJ8 compatible ball sold in 1 bottle is a Mullard print, but it was determined from the structure and date code that it was made in the Netherlands Code:??? Delta2K3 measurement value 98 (rejection value 62) with white box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat transistor made in America square getter measured value 72/66 (rejection value 38) *Pairs are determined based on gM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
Pair tube, large beam output tube, 8147 compatible ball, black plate, double ring, made in Japan, replacement box included ※The pair measures and determines EM values with a measuring machine TC-162 (Kojima Yosuke)
Accessories: replacement box
Pair tube, direct heat transistor, white base, made in Russia, measured value 76/74 (rejection value 58) *Pairs are determined based on gM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
Pair tube, side heat beam tube, made in America, JAN measurement value 44/42 (rejection value 25) with white box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, large beam output tube, 8147 compatible bulb, gray plate for Hi-Fi, with original box (outer box/inner box) *The pair measures and determines EM values with the TC-162 measuring machine (Kojima Yosuke)
Accessories: original box
Pair tube, VT-229 equivalent tube, made in America, smoke measurement value 56/54 (rejection value 32) with brown box ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke)
Accessories: brown box
※Set of 2 (not treated as a pair due to different internal structures), double triodes, made in Russia, measured value 114/110 (rejection value 50), replacement box included ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, side-heat beam tube, made in Russia, measured value 38/38 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, side-heat beam tube, made in Russia, measured value 38/38 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, side-heat beam tube, made in Russia, measured value 38/36 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle, ECC83/12AX7 Compatible Ball, Black Plate, Double Mica, JRC, Made in America, Measured Value 52 (Rejected Value 32) with White Box ※ Measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: brown box
1 bottle, ECC83/12AX7 compatible ball, black plate, double mica, JRC, made in America, measured value 48 (rejected value 32) with white box ※ measured values indicate gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, 6L6 equivalent tube, made in China, measured value 38/38 (rejection value 31), original box included, there is a slight getter burn ※ pairs are judged based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
The pair tube is probably made in Russia due to its direct-heat triode structure; measured value 70/68 (rejection value 38) with original box ※ pair is determined based on numerical values measured with test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold in 1 bottle, 12AX7 compatible ball, made in England, all the prints have disappeared, but I determined that it was Mullard ECC83 from the structure and dating code code code: I6? B2F2 measurement value 56 (rejection value 32) *The measured value shows the GM value measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
1 bottle sold, ECC82 compatible ball, clear top side getter, measured value 92 (rejected value 56), there is rubbing on the lettering ※ The measured value shows the GM value measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
Pair tube, double triode, made in Russia, measured value 120/120 (rejection value 50) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, vertical deflection tube, made in America, measured value 62/62 (rejection value 25) with white box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube side heat beam tube measurement value 36/34 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, side-heat beam tube, made in Russia, measured value 40/40 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
It was determined that it was made by Mullard from the 6CA7 compatible ball structure and date code for 1 bottle. Code: xf4 B0A1 measurement value 44 (rejection value 30), white box, getter, there is a burn, so it's cheap ※The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
I determined that the pair tube was made by Mullard based on the 6CA7 compatible ball structure and date code: xf4 b8k4/xf4 B8L2 measurement value 52/50 (rejection value 30) getter with replacement box is cheap because there are burns ※ pairs are judged based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
There is a diamond mark for 1 sale, 12AT7 compatible ball, measured value 82 (rejection value 50), the original box with the print is often erased ※ The measured value is determined based on the GM value measured with the TV-7 test machine (Kojima Yosuke)
Accessories: original box
Pair tube 6BQ5 compatible ball pentaode tube measurement value 66/62 (rejection value 50) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ECL82 compatible ball, tripole, five-pole composite tube, made in Japan, measured value 72/72 (rejection value 56) *The measured value shows the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube side heat beam tube measurement value 38/38 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube side heat beam tube measurement value 40/40 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7/EL34 compatible ball red tube measurement value 54/54 (rejection value 30) with original box ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube EL34 compatible bulb tube measurement value 50/48 (rejection value 30) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
※ Since there are pieces of glass stuck in the tube on one side, it is inexpensive. Pair tube, 6CA7 compatible ball, made in Russia, reprinted model, measurement value 40/38 (rejection value 30), original box included ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6CA7 compatible ball, made in Russia, measured value 46/46 (rejection value 30) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, 6CA7 compatible balls, made in Russia, measured value 46/46 (rejection value 30) with original box ※ pair is determined based on GM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: original box
Pair tube, 6CA7 compatible balls, made in Russia, measured value 46/46 (rejection value 30) with original box ※ pair is determined based on GM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: original box
Pair tube side heat beam tube measurement value 42/40 (rejection value 25) with original box ※ pair is determined based on gM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube VT-62 compatible ball tea base square getter measurement value 68/62 (rejection value 38) with original box ※ pair is determined based on gm values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle, sold in England, 6L6G equivalent tube for military use, high reliability tube, smoke measurement value 40 (rejection value 25), white box included, printing is missing ※ the measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box