1 sold bi-triode power tube made in the USA JAN measurement value 58 (rejection value 40) with original box ※ Measured value is gm value measured by tv-7 tester (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
From exterior painting to gap cleaning, it has been refreshed and maintained with attention to detail! This is a 612C monitor speaker with a refined masterpiece 612A system. The unit is an early model 604-8G. The thick, unsluggish tone centered around the middle range is perfect for vocals. Since localization is also precisely determined, it is a practical and easy-to-use speaker (Takasaki Atsushi)
Maintenance information: 2024.2.8 Maintained (exterior repair/polishing/full painting, network mounting hole processing, saran net replacement. Unit maintenance (gasket replacement, input terminal contact cleaning, high frequency side disconnection repair/magnetic circuit rust removal/gap cleaning/center adjustment) network maintenance (frequency characteristic check, panel float bonding, ATT disassembly cleaning, input terminal contact cleaning) terminal cleaning)
Accessories: saran net
Main specifications: coaxial 2-way speaker unit 38cm coaxial impedance 8Ω 104dB crossover frequency 1.5kHz W648 × H749 × D509 mm 54.5 kg
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, 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 metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※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 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, 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
1 bottle of KT88 compatible ball, made in America, metal base, LUXMAN print measurement value 54 (rejection value 44), base with replacement box, has dullness ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube KT88 compatible sphere Russian metal brown base measurement value 50/50 (rejection theory 44) there is writing on the base with the blue box ※The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: blue box
Speaker Cable 1.9 m Pair Untreated End - Banana Plug Ultra Pure 7NCu/6NCU Hybrid Multi Conductor Cable Offers unrivaled cost performance. The materials and configurations of insulators, coatings, etc. are all the same as 7N and 8N cables, and the density of the contents stands out (Kojima Yosuke)
Accessories: none
Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, EL84 compatible ball, pentode tube, made in Japan, measured value 84/80 (rejection value 50), both tubes have pin bends ※ pairs are determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: none
※Set of 2 (both tubes are not treated as a pair since their structures are very different), deflection output tubes, made in America, measured value 66/64 (rejection value 38), with original box (box lid is missing) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Sold 1 bottle EL34 compatible ball, made in Japan, black plate, measured value 52 (rejected value 30) with original box, there is a slight getter burn ※ pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, EL34 compatible ball, Russian tube, measured value 44/42 (rejected 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 triode for Hi-Fi made in Japan*Pairs are determined based on EM values measured with the test machine EM-604 (Yosuke Kojima)
Accessories: none
Pair tube, large beam output tube, 8147 compatible bulb, gray plate for Hi-Fi, with original box (outer box/inner box), has slightly decreased getter for both tubes ※ The pair measures and determines EM values with the measuring machine TC-162 (Kojima Yosuke)
Accessories: original box
Pair tube, deflection output tube, made in America, with original box ※Pairs are determined based on EM values measured with the TC-162 tester (Kojima Yosuke)
Accessories: original box
1 bottle of side-heat beam tube, made in France, smoke measurement value 42 (rejection value 25), replacement box included, printing is missing ※ 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 measurement value 40/38 (rejection 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 ambient heat beam tube measurement value 44/42 (rejection 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 ambient heat beam tube made in Japan Hi-Fi measurement value 46/44 (rejection value 25) with original box (inner box/outer box) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box (inner box/outer box)
Set of 2 (the internal shape seems to be the same, but the manufacturer country print is different (made in Canada/USA), so they are not treated as a pair), brown base measurement value 44/42 (rejected value 25), getta burns, and decreases) *Measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (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, ambient heat beam tube, 5881 equivalent tube, made in America, JAN brown base measurement value 42/42 (rejected value 25) 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 lot: 0202/0107 measured value 36/36 (rejected value 25) with original box*Pairs are judged based on gM values measured by 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 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
Only 1 speaker cable uses a new conductor by hybridizing 4 types of materials, including the innovative HiFC and PCUHD wire materials, with an exquisite golden ratio, centering on an untreated ultra-high purity 6NCU at the end. It's a clear high range, a plump middle range, and a heavy low range. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.5 continuity confirmed
Accessories: none
Only 1 speaker cable uses a new conductor that is a hybrid of 4 types of materials, including the innovative HiFC and PCUHD wire materials, with an exquisite golden ratio, centering on an untreated ultra-high purity 6NCU at the end of the 1.35 m end. It's a clear high range, a plump middle range, and a heavy low range. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.5 continuity confirmed
Accessories: none
Pair tube double triode tube, made in America, JAN measurement value 74/72 (rejected value 32) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube, made in America, JAN measurement value 80/76 (rejected value 32) *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 measured value 86/76 (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 made in the USA side getter measurement value 62/58 (critical value 30) with JAN original box ※ The pair is determined based on GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair tube 6BQ5 high reliability tube made in Japan measured value 72/68 (rejection value 46) *Pairs are determined based on GM values measured with the TV-7 test machine (Kojima Yosuke)
Accessories: none
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