Pair tube 801/801A compatible ball, brown base, square getter, measured value 76/74 (rejected value 38) with white box, there is a slight getter burn ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 6SN7 high reliability tube, black plate, red base measurement value 92/92 (rejection value 50) with white box, printing is often erased on both tubes ※The measured values are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 350B top plate tube double square getter made in America measured value 44/42 (rejected value 32) with white box The model number part printed on the base part has disappeared, but it was determined that it was WE350A from the structure ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube Russian reprint model lot: 1611/1611 measured value 54/48 (rejected value 44) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube heatwave pentode square getter made in America JAN code: 019/019 measured value 44/42 (rejected value 25) with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube heatwave pentode square getter made in America JAN code: 019/019 measured value 40/40 (rejected value 25) with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube large punch top grid square getter made in America measured value 52/48 (rejected value 30) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
※ Since there are no half of the getters on one side, it is inexpensive (see image 4) pair tube heat dissipation double triode tube made in America lot: 7219/7513 measured value 46/44 (rejection value 40) with original box ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube heat dissipation double triode tube made in America lot: 7426/7939 measured value 42/40 (rejection value 40) with white box Gm value is low, so it's cheap ※Pairs are judged based on Gm values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube ECL82 compatible sphere three-pole five-pole composite tube made in Japan Hi-Fi measurement value 88/84 (rejected value 56) with original box*Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
High output tube used for MC225 etc. made in Japan Hi-Fi measurement value 54/52 (rejected value 36) with original box*Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
There is a diamond mark sold per bottle, 12AX7 compatible sphere, smooth plate, measured value 50 (rejected value 32) with replacement box, and the printing disappeared a lot, but it was determined that it was TELEFUNKEN ECC83 based on the structure ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, ambient heat beam tube, made in Japan, measured value 44/44 (rejected value 25) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube Russian reprint model lot: 1809/1809 measured value 50/48 (rejected value 44) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original 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 double triode tube, made in Japan, measured value 100/96 (rejected value 50) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box (lid on one side is missing)
Pair tube direct heat triode tube made in America lot: 8152/8152, measured value 78/76 (rejected value 58) with original box, both tubes have slight burns on the head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ambient heat beam tube, British metal tea base, measured value 62/60 (rejected value 44) with original box (there is writing) burnt on the side getter, written on the base, and the printing is disappearing ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (with writing)
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
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
Selling 1 bottle small punch top grid square getter lot: 439 measured value 52 (rejected value 30) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box (made by WE)
Pair tube 6SN7 high reliability tube, black plate, red base measurement value 106/104 (rejected value 50) with white box, the printing design is different, but the internal structure was determined to be the same ※The measured values are determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube, American black plate, double square getter, measured value 70/66 (rejected value 38) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 12AX7/ECC83 compatible ball, supreme reliability tube, diamond mark, metal foot measurement value 54 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 12AX7/ECC83 compatible ball, supreme reliability tube, diamond mark, metal foot measurement value 54 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 12AX7/ECC83 compatible ball, supreme reliability tube, diamond mark, metal foot measurement value 54 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
I can't confirm the diamond mark on the bottom of the sale of 1 bottle, but it was determined that it was an original product from the internal structure 12AX7 compatible ball smooth plate measured value 62 (rejected value 32) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
I can't confirm the diamond mark on the bottom of the sale of 1 bottle, but it was determined that it was an original product based on the internal structure 12AX7 compatible sphere smooth plate measured value 50 (rejected value 32) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box