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373 results
Manufacture | Model/Title | Price | Arrival date

CV345

Ask 15-00822-62404-00
CV345
Manufacture:ITT
Price: JPY 9,091
Shop: Osu shop
Arrival: 2015-09-11 20:05:24

CV511

This item has been sold.You can't purchase now. 23-41088-25828-00
CV511
Manufacture:STC
Price: JPY 9,091(pair)Sold Out
Shop: Osu shop
Arrival: 2024-03-15 20:02:13
description
Pair tube military high reliability tube 6V6GT equivalent tube black base smoke measurement value 84/84 (rejected value 46), all but the printing on the top of the tube with white box has disappeared, but it was determined that it was CV511 based on the structure ※The pair was determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: white box

CV4004

Ask 23-38296-03834-00
CV4004
Manufacture:不明
Price: JPY 9,091
Shop: Osu shop
Arrival: 2023-07-17 19:53:27
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, but only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 36 (rejection value 32) with replacement box*The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

EL84

Ask 23-41055-24966-00
EL84
Manufacture:Mullard
Price: JPY 9,091(pair)
Shop: Osu shop
Arrival: 2023-11-28 19:25:36
description
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

287A

Ask 18-12774-37292-00
287A
Manufacture:WESTERN ELECTRIC
Price: JPY 9,091
Shop: Osu shop
Arrival: 2018-08-28 19:51:04

EL84EG

Ask 22-34777-34872-00
EL84EG
Manufacture:Ei Elite
Price: JPY 10,000(pair)
Shop: Osu shop
Arrival: 2023-10-27 19:48:28
description
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

CV4004

Ask 23-38296-03833-00
CV4004
Manufacture:不明
Price: JPY 10,000
Shop: Osu shop
Arrival: 2023-07-17 19:53:28
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

CV4004

Ask 23-38296-03832-00
CV4004
Manufacture:不明
Price: JPY 10,909
Shop: Osu shop
Arrival: 2023-07-17 19:53:27
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

412A

Ask 14-85391-34453-00
412A
Manufacture:WE
Price: JPY 10,909(only one piece)
Shop: Osu shop
Arrival: 2014-12-23 20:00:03

CV4004

Ask 23-38296-03831-00
CV4004
Manufacture:不明
Price: JPY 10,909
Shop: Osu shop
Arrival: 2023-07-17 19:53:26
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 44 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

6V6G

Ask 24-42399-08458-00
6V6G
Manufacture:MARCONI
Price: JPY 10,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:53
description
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

EL84

Ask 22-34777-34871-00
EL84
Manufacture:SIEMENS
Price: JPY 10,909(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:58
description
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

101F

Ask 17-11951-61928-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 10,909
Shop: Osu shop
Arrival: 2017-08-16 19:58:07

101F

Ask 23-38861-11390-00
101F
Manufacture:Western Electric
Price: JPY 11,818
Shop: Osu shop
Arrival: 2023-08-17 19:57:51
description
Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

6V6G

24-42399-08457-00
6V6G
Manufacture:MARCONI
Price: JPY 11,818(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:49
description
Pair tube smoke, made in Canada, JAN measured value 88/88 (rejected value 46) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

2A3

Ask 24-42399-08460-00
2A3
Manufacture:SOVTEK
Price: JPY 12,727(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:32
description
Pair tube direct heat triode made in Russia measured value 72/72 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none

WE274

Ask 23-40104-17350-00
WE274
Manufacture:曙光電子
Price: JPY 12,727
Shop: Osu shop
Arrival: 2023-08-18 20:06:24
description
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

6L6WGB

Ask 24-42399-08449-00
6L6WGB
Manufacture:PHILIPS ECG
Price: JPY 12,727(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:29
description
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

272A

Ask 18-15774-14017-00
272A
Manufacture:Western Electric
Price: JPY 13,636
Shop: Osu shop
Arrival: 2018-04-21 19:56:03

6L6WGB

Ask 22-35358-38753-00
6L6WGB
Manufacture:GE
Price: JPY 13,636
Shop: Osu shop
Arrival: 2023-08-24 19:44:39
description
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

101F

Ask 16-08441-23284-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2016-12-11 20:04:48

6GA4

Ask 23-40152-18225-00
6GA4
Manufacture:TOSHIBA
Price: JPY 13,636
Shop: Osu shop
Arrival: 2023-09-17 19:30:30
description
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

272A

Ask 19-20143-01931-00
272A
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2019-01-14 20:00:00

6550

Ask 24-42399-08462-00
6550
Manufacture:TUNG SOL
Price: JPY 13,636(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:45
description
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

101F

Ask 17-11951-62259-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2017-08-18 19:58:41

211

Ask 18-15718-18872-00
211
Manufacture:不明
Price: JPY 13,636(pair)
Shop: Osu shop
Arrival: 2018-05-21 19:24:36

272A

Ask 17-13501-73621-00
272A
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2017-11-21 20:05:39

6L6GC

Ask 24-42044-04096-00
6L6GC
Manufacture:TOSHIBA
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-03-02 20:06:58
description
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)

KT88SA

Ask 24-41865-03345-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:02
description
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

KT88SA

Ask 24-41865-03347-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:14:59
description
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

KT88SA

Ask 24-41865-03346-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:01
description
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

KT88

Ask 23-41267-27763-00
KT88
Manufacture:Mullard
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-01-05 20:27:08
description
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

211

Ask 24-42530-07890-00
211
Manufacture:PSVANE
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-04-19 19:45:17
description
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: original box

6L6Y

Ask 24-42399-08452-00
6L6Y
Manufacture:RCA
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:39:53
description
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

6V6G

Ask 24-42399-08456-00
6V6G
Manufacture:GEC
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:02:12
description
Pair tube, made in England, bell type smoke measurement value 78/74 (rejected value 46) with tea box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: tea box

6V6G

Ask 24-42399-08455-00
6V6G
Manufacture:GEC
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:02:08
description
Pair tube, made in England, bell type smoke measurement value 80/78 (rejected value 46) with tea box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)

6L6Y

Ask 24-42399-08451-00
6L6Y
Manufacture:RCA
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:39:36
description
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

CK6336A

Ask 22-36248-44640-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:04
description
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

6L6GC

Ask 24-42399-08448-00
6L6GC
Manufacture:GE
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:34
description
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

7581A

Ask 22-37213-52410-00
7581A
Manufacture:PHILIPS ECG
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-07 20:18:09
description
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

6550

Ask 23-40152-17328-00
6550
Manufacture:SYLVANIA
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-09-02 20:12:57
description
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

CV511

This item has been sold.You can't purchase now. 24-42399-08453-00
CV511
Manufacture:STC
Price: JPY 20,000(pair)Sold Out
Shop: Osu shop
Arrival: 2024-04-21 19:39:59
description
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

CV511

Ask 24-42399-08454-00
CV511
Manufacture:STC
Price: JPY 20,000(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:06
description
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

300BEH

Ask 24-41310-00332-00
300BEH
Manufacture:ELECTRO HARMONIX
Price: JPY 20,909(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:20
description
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

211

Ask 22-34955-33526-00
211
Manufacture:Haltron
Price: JPY 21,818
Shop: Osu shop
Arrival: 2022-10-08 20:05:19
description
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

CK6336A

Ask 22-36248-44639-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 21,818(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:05
description
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

6550A

Ask 24-42434-07338-00
6550A
Manufacture:GE
Price: JPY 22,727(pair)
Shop: Osu shop
Arrival: 2024-04-09 19:33:08
description
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

50

Ask 17-12438-64859-00
50
Manufacture:RCA
Price: JPY 27,273
Shop: Osu shop
Arrival: 2017-09-08 19:57:55

6336A

Ask 23-38257-02847-00
6336A
Manufacture:CETRON
Price: JPY 27,273(pair)
Shop: Osu shop
Arrival: 2023-02-13 19:49:13
description
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

6336A

Ask 22-36933-48596-00
6336A
Manufacture:CETRON
Price: JPY 27,273(pair)
Shop: Osu shop
Arrival: 2023-07-13 20:09:13
description
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
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