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

4242A

Ask 24-42457-09563-00
4242A
Manufacture:STC
Price: JPY 270,909(pair)
Shop: Osu shop
Arrival: 2024-05-06 15:01:49
description
Pair tube, CV25 equivalent tube, VT-4C/211 compatible ball, large triode tube, molybdenum plate (zirconium coating), measured IP value: 45/45 mA (the best reference IP value for this amplifier is 50 mA) with white box ※ 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: white box

EL34

Ask 24-42399-08463-00
EL34
Manufacture:SVETLANA
Price: JPY 5,455(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:02:02
description
Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/44 (rejected value 30) with original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box

5881

Ask 24-42399-08472-00
5881
Manufacture:SOVTEK
Price: JPY 4,545(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:58
description
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original 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

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

6L6GC

Ask 24-42399-08473-00
6L6GC
Manufacture:JJ
Price: JPY 5,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:26
description
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

6L6GC

Ask 24-42399-08474-00
6L6GC
Manufacture:JJ
Price: JPY 5,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:22
description
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

6L6WXT

Ask 24-42399-08470-00
6L6WXT
Manufacture:SOVTEK
Price: JPY 4,545(pair)
Shop: Osu shop
Arrival: 2024-04-28 20:39:57
description
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

5881

Ask 24-42399-08471-00
5881
Manufacture:SOVTEK
Price: JPY 4,545(pair)
Shop: Osu shop
Arrival: 2024-04-28 20:39:57
description
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

KT88

Ask 24-42399-08481-00
KT88
Manufacture:RFTLYS
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2024-04-27 20:11:28
description
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 66/64 (rejected value 44) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box
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