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

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

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

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

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

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

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

CV345

Ask 15-00822-62398-00
CV345
Manufacture:ITT
Price: JPY 9,091
Shop: Osu shop
Arrival: 2015-09-11 20:05:49
description
Pair tube (checked with a tube checker) beam quadrupole. There is a brown base and original box. ※The logo is scratched.

CV345

Ask 16-07266-11819-00
CV345
Manufacture:ITT
Price: JPY 7,273
Shop: Osu shop
Arrival: 2016-10-10 20:09:34
description
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.

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 22-36377-46342-00
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
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