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

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

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

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

300B

This item has been sold.You can't purchase now. 24-42575-08585-00
300B
Manufacture:JJ
Price: JPY 36,364(pair)Sold Out
Shop: Osu shop
Arrival: 2024-04-23 20:12:13
description
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

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 22-36377-46344-00
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

6550A

Ask 24-42192-05174-00
6550A
Manufacture:GE
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2024-04-06 20:21:35
description
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

6550A

Ask 24-42434-06913-00
6550A
Manufacture:GE
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2024-04-09 19:23:01
description
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

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

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

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

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

1578

This item has been sold.You can't purchase now. 24-42589-09143-00
1578
Manufacture:MELZ
Price: JPY 25,455(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-23 19:50:44
description
Pair tube 6SN7 compatible ball Soviet military measurement value 116/110 (rejected value 50) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

CV378

Ask 24-42838-10917-00
CV378
Manufacture:不明
Price: JPY 24,545
Shop: Osu shop
Arrival: 2024-05-24 19:43:57

CV378

Ask 24-42838-10916-00
CV378
Manufacture:不明
Price: JPY 24,545
Shop: Osu shop
Arrival: 2024-05-24 19:43:58

2A3

This item has been sold.You can't purchase now. 24-42889-10946-00
2A3
Manufacture:RCA
Price: JPY 24,545(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-23 20:03:18
description
Pair tube direct heat triode tube American square getter measurement value 64/60 (rejection value 38) The number of getters has decreased for both tube*Pairs are determined based on gM values measured with the test machine TV-7 (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

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

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

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

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

6L6GC

Ask 24-42838-10906-00
6L6GC
Manufacture:GE
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2024-05-24 19:44:00

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

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

EL34

This item has been sold.You can't purchase now. 24-42838-10910-00
EL34
Manufacture:MINIWATT DARIO
Price: JPY 16,364(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-23 20:03:14
description
The pair tube is thought to be made by TESLA due to its 6CA7 compatible ball brown base double ring getter structure. Measured value 52/52 (rejected value 30) with white box ※Pairs are judged based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box

6B4G

Ask 24-42838-10912-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:28
description
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

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

6B4G

Ask 24-42838-10913-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:30
description
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

SV811-3

Ask 24-42617-08589-00
SV811-3
Manufacture:Svetlana
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:15
description
Pair tube direct heat triode tube made in Russia measured value 72/72 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

SV811-3

Ask 24-42617-09090-00
SV811-3
Manufacture:Svetlana
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:50:34
description
Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original 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

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 24-41865-03346-00
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

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

6L6WGB

Ask 24-42673-09994-00
6L6WGB
Manufacture:TUNG SOL
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-05-17 19:43:46
description
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

EL34

Ask 24-42838-10909-00
EL34
Manufacture:Mullard
Price: JPY 14,545
Shop: Osu shop
Arrival: 2024-05-23 19:50:37
description
1 bottle sold in England Xf1 6CA7 compatible ball tea base double ring getter date code: Xf1 B1I4 measured value 46 (rejected value 30) with white box (written on the box), there is getter burn, and it has decreased slightly (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
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