One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair Tube 45Special/38142 Compatible Ball Fishing Rod Type Filament Measurement Value 98/92 (Rejection Value 55) Geta Burns, is a bargain because it has decreased ※The pair is GM measured with the tester TV-7 Judgment is based on the value (Yosuke Kojima)
Accessories: none
Pair tube 45Special compatible spherical triode fishing rod type filament measurement value 100/92 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
The price has been drastically reduced. 2024/1/15 sales price 118,000 yen pair tube 45 special compatible ball straight heat triode fishing rod type filament made in America measurement value 90/86 (rejected value 55) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 45 Special/38142 compatible ball, direct heat triode, fishing rod type, filament measurement value 120/118 (rejection value 55) with original box ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The large triode print sold in Japan has disappeared, but I think it was made by NEC from the structure. Measured IP value: 45 mA (the best standard IP value for this amplifier is 50 mA) with the original box ※ I checked the sound output with the test amplifier and measured the plate current value, and it has been determined that the operation is good (Kojima Yosuke)
Accessories: original box
※Set of 2 (not treated as a pair since the internal shape is different between the tubes) KT88 compatible balls, Russian metal brown, base code: 0210/0601 measured value 56/50 (rejection theory 44) with original box ※ measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube direct thermal triode made in England measured value 54/50 (rejection value 39) with replacement box The plate shape of the spring fixing part on the top of the head is slightly different on the left and right, and there is discoloration on the plate on one side ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, PX4 equivalent tube, direct thermal triode, made in England, measured value 54/52 (rejection value 39) with white box (there is writing on the box) *The pair was judged based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 62/60 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 74/72 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube Russian reprint model lot: 1609/1610 measured value 56/54 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, English tea base, double gettering code: 8047/8048 measured value 56/54 (rejected value 32) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected 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 6BQ5 compatible ball pentode tube made in Russia, black plate, measured value 78/72 (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 6BQ5 compatible ball pentode tube measurement value 66/66 (rejection value 50) with original box SIEMENS print is printed, but it was determined from the structure and date code that it was made by Ei (made in Yugoslavia) ※The pair was determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7 compatible ball made in Russia, measurement value 46/44 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7 compatible ball made in Russia, measurement value 46/44 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6CA7 compatible sphere Russian reprint model measurement value 46/42 (rejection value 30) white box with 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 6CA7 compatible sphere Russian reprint model measurement value 52/48 (rejection value 30) white box with 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, 6CA7 compatible ball, made in Russia, measured value 44/42 (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 6CA7 compatible ball made in Russia, measurement value 48/46 (rejection value 30) with original box*The pair is determined based on the GM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
1 bottle sold CV4085/6267 compatible ball mesh shield code: 8Y5 L2B measurement value 56 (rejection value 33) all the prints with the white box have disappeared, but it was determined to be EF86 based on the structure and code ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold in 1 bottle 12AX7 compatible ball made in Germany and determined from the German structure and date code to be ECC83 made in Germany Code: I62 Ki3C? Measured value 48 (rejected value 32) *The measured value represents the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold 1 bottle 12AX7 compatible ball smooth plate measurement value 54 (rejected value 32) The printing with white box has almost disappeared, but it was determined that it was an ECC83 made in Yugoslavia based on the structure ※The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold 1 bottle 12AU7 compatible sphere smooth plate measurement value 106 (rejection value 56) The printing with the white box has almost disappeared, but it was determined that it was an ECC82 made in Yugoslavia from the structure*The measured value represents the gm value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box