Pair tube, 6L6 equivalent tube, made in China, measured value 38/38 (rejected value 31) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6L6 equivalent tube, made in China, measured value 40/38 (rejected value 31) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6L6 equivalent tube, made in China, measured value 44/42 (rejected value 31) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Large triode tube sun valley sorting ball measured Ip value: 66mA (the best standard IP value for this amplifier is 75mA) There is discoloration on the base part*The test amplifier makes sound, measures plate current values, and operation has been checked (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode double gettering made in Japan measured value 64/60 (rejected value 38) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
* Judging from the structure that it is made by NATIONAL UNION, the printing on the base part seems to be a reprint. Pair tube 45 Special/38142 compatible ball straight heat triode tube fishing rod type filament measurement value 106/100 (rejection value 55) *The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube ambient heat beam tube made in Slovakia measured value 60/60 (rejection value 44) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube EL34 compatible thick tube measurement value 52/50 (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
Pair tube EL34 compatible thick tube measurement value 54/52 (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
Pair tube direct heat triode American lot: 6539/6952 double square getter measurement value 80/78 (rejection value 58) with replacement box Both tubes were burned by mica at the top of the tube head, and the getter has decreased slightly ※Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box (WE300B original box since 1995)
Set of 2 (not treated as a pair because there is a difference between the measured values) 6SN7 high reliability tube black plate red base measured value 106/92 (rejected value 50) *Measured values are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Selling 1 bottle EL34/6CA7 equivalent tube, English tea base lot: ZE Z double gettering measured value 38 (rejected value 30) with replacement box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box (GE box)
Pair tube EL34/6CA7 equivalent tube English tea base lot: ZE Z/ZD Z double gettering measurement value 52/46 (rejected value 30) with replacement box ※ pair is judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: Replacement box (Elehamo box)
1 bottle sale, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42 (rejected value 25) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam output tube made in Russia lot: 2108/2108 measured value 76/72 (GM value measured with KT88 setting value with measuring instrument TV-7) with original box ※ pair is determined based on gM value measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle ECC83 compatible ball, made in Japan, measured value 44 (rejected value 32) *Measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box (lid damaged)
Sold 1 bottle ECC83 compatible ball, made in Japan, measured value 50 (rejected value 32) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold per bottle, rectifier tube, GZ34 compatible ball, made in Japan, measured value 56 (rejected value 40) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (bulk box)
Pair tube ambient heat beam tube British tea base lot: RC Z/QM Z measured value 72/66 (rejection value 44) with white box There is burn on the tube head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube English tea base lot: PC 4/QM Z measurement value 68/66 (rejection value 44) with replacement box, getter burnt on the head ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
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
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
Pair tube smoke, made in France, measured value 86/84 (rejected value 46) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube smoke, made in Canada, JAN smoke measurement value 96/90, rejection value 46) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
* The model number printing has disappeared, but it was determined that it was 5692 based on the structure, sold 1 bottle 6SN7 high reliability tube, red base, double mica, made in America, measured value 90 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube made in America, measured value 42/42 (rejected value 23) with original box*Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle EF86/6267 compatible ball, maximum reliability tube, diamond mark measurement value 60 (rejected value 33), there is getter burn ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Rectifier tube sold per bottle, GZ34 compatible ball, made in America, measured value 56 (rejected value 40), there is getter burn ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
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