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 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
Sold per bottle, 300B equivalent tube, direct heat triode, English tea base, double ring getter, measurement value 66 (rejection value 58) with original box*The measured values represent the gm values measured with the test 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
Sold 1 bottle U52/5U4G equivalent tube brown base, made in England, measured value 52 (rejected value 40) with white box (written on the box), part of the print on the model number part has disappeared, but it was determined from the structure that it was CV1071. There are adhesive marks on part of the base ※The measured value represents the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white 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 KT66 equivalent tube military British tea base double gettering lot: XM/XM measured value 50/50 (rejected value 32) There is writing on the guide pin with white box*Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT66 equivalent tube, military British tea base, double gettering lot: XM/XM measured value 56/50 (rejected value 32) There is writing on the guide pin with white box ※ pair is 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 direct heat triode tube, white base, made in Slovakia, measured value 76/70 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
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
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
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
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/40 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 46/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, KT88 compatible ball, American metal base, measured value 66/64 (rejected 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 KT88 compatible ball American metal base measurement value 68/62 (rejected value 44) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
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, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 40/36 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube triode metal base, made in America, original with box ※ The pair was determined based on the EM value measured by the SENCORE TC-162 tester (Kojima Yosuke)
Accessories: original box
Pair tube, triode, metal base, made in America, with original box*Pairs are determined based on EM values measured by the SENCORE TC-162 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 90/88 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube military high reliability tube 6V6GT equivalent tube tea base smoke code: 7220/7220 measured value 92/92 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 48 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 6L6GC compatible ball, high reliability tube, made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 52 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 46 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R1K1 box plate measurement value 44 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, metal, brown base, made in America, measured value 66/64 (rejected value 44) with original box (some written), sticker is attached to the base part, and there is a getter burn ※ The pair was determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam tube made in America, measured value 42/40 (rejection value 25) with original box (the claws on one side of the box are missing) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single bottle sale military high reliability tube ECC83/M8137 equivalent tube code: 641 R3I4 box plate measurement value 42 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube, made in America, JAN measured value 74/74 (rejected value 38) with white box ※Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box