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Manufacture | Model/Title | Price | Arrival date

2A3

This item has been sold.You can't purchase now. 24-42086-04293-00
2A3
Manufacture:RCA
Price: JPY 161,818(pair)Sold Out
Shop: Osu shop
Arrival: 2024-03-08 19:36:56
description
The price has been drastically reduced. 2024/3/8 sales price 210,000 yen pair tube direct heat triode single plate specification American date code: L12/C8 measured value 62/58 (rejection value 38) with white box The design of the engraved part of the base and the fixed part of the bracket on the back of the getter are different on the left and right. Other than that, it's almost the same*Pairs are determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: white box

VT-52

Ask 24-41310-00717-00
VT-52
Manufacture:Western Electric
Price: JPY 90,727(pair)
Shop: Osu shop
Arrival: 2024-01-15 20:01:53
description
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

PX4

Ask 23-38257-02860-00
PX4
Manufacture:OSRAM
Price: JPY 86,364(pair)
Shop: Osu shop
Arrival: 2023-02-12 20:05:04
description
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

PX4

Ask 19-21022-16930-00
PX4
Manufacture:不明
Price: JPY 81,818(pair)
Shop: Osu shop
Arrival: 2019-03-29 20:04:27

NR44

Ask 23-38135-07623-00
NR44
Manufacture:不明
Price: JPY 72,727(pair)
Shop: Osu shop
Arrival: 2023-04-16 19:28:19
description
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

4300B

Ask 23-39703-13680-00
4300B
Manufacture:STC
Price: JPY 68,182
Shop: Osu shop
Arrival: 2023-07-01 20:01:09
description
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

239II

Ask 17-14003-78197-00
239II
Manufacture:TELEFUNKEN
Price: JPY 54,545
Shop: Osu shop
Arrival: 2017-12-25 20:01:25

UV-211-A

Ask 23-38135-05636-00
UV-211-A
Manufacture:不明
Price: JPY 50,000
Shop: Osu shop
Arrival: 2023-03-21 20:01:57
description
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

CV1071

Ask 22-37124-52236-00
CV1071
Manufacture:GEC
Price: JPY 43,636
Shop: Osu shop
Arrival: 2023-01-20 18:50:53
description
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

KT66

Ask 23-40398-19779-00
KT66
Manufacture:GEC
Price: JPY 40,909(pair)
Shop: Osu shop
Arrival: 2023-09-29 19:52:46
description
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

K239II

Ask 17-14003-78196-00
K239II
Manufacture:KLANGFILM
Price: JPY 36,364
Shop: Osu shop
Arrival: 2017-12-25 20:01:22

218EW

Ask 17-14003-78199-00
218EW
Manufacture:TELEFUNKEN
Price: JPY 36,364
Shop: Osu shop
Arrival: 2017-12-25 20:01:04

VT-52

Ask 22-36377-46342-00
VT-52
Manufacture:NATIONAL UNION
Price: JPY 36,364(pair)
Shop: Osu shop
Arrival: 2022-10-23 20:16:28
description
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

VT-52

Ask 22-36377-46344-00
VT-52
Price: JPY 34,545(pair)
Shop: Osu shop
Arrival: 2022-10-23 20:21:23
description
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

VT-52

Ask 22-37780-54778-00
VT-52
Manufacture:UNITED ELECTRON
Price: JPY 34,545(pair)
Shop: Osu shop
Arrival: 2023-01-09 20:09:51
description
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

VT-52

Ask 21-33538-24403-00
VT-52
Manufacture:NATIONAL UNION
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2022-07-22 19:48:58
description
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

50

Ask 14-83736-26430-00
50
Manufacture:RCA
Price: JPY 31,818(only one piece)
Shop: Osu shop
Arrival: 2014-10-03 19:44:46

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

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

50

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

UV-211-A

Ask 23-38135-05635-00
UV-211-A
Manufacture:NEC
Price: JPY 27,273
Shop: Osu shop
Arrival: 2023-03-21 20:02:00
description
Large triode sold in Japan measured IP value per unit: 45 mA (the best standard IP value for this amplifier is 50 mA) Getter burns and decreases a lot, so it's cheap, white box included (with writing) ※ I checked the sound output with a test amplifier and measured the plate current value, and it was determined that the operation was good (Kojima Yosuke) Accessories: white 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

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

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

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

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

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

6B4G

Ask 24-41310-00679-00
6B4G
Manufacture:SYLVANIA
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-03-15 20:01:48
description
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

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

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 24-41865-03345-00
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 24-41865-03346-00
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

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)

E80CC

This item has been sold.You can't purchase now. 22-36355-44238-00
E80CC
Manufacture:PHILIPS
Price: JPY 14,545(pair)Sold Out
Shop: Osu shop
Arrival: 2023-12-07 20:18:41
description
Pair tube 6085 compatible ball SQ gold foot box plate measurement value 54/48 (rejection value 32) There is wear and tear on the original boxed print ※ The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

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

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

272A

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

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

101F

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

272A

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

101F

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

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

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

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

KT90EH

This item has been sold.You can't purchase now. 23-39020-08374-00
KT90EH
Manufacture:Electro Harmonix
Price: JPY 10,909(pair)Sold Out
Shop: Osu shop
Arrival: 2023-07-03 19:37:30

101F

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

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

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

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
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