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Shun Ukita, Japan - Tube collection

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ID = 27756
Photo Shun Ukita

Below you find a part of the tube collection Shun Ukita.

I am interested in vacuum tubes. I'm correcting receiving tubes mainly. Recent, i completed to correct H-series tubes which used for military in Japan, WW2. I want to upload those pictures and information in this site.
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Excerpt from the tube collection of Shun Ukita. These images (tube photos) were uploaded to the respective tubes or valves by Shun Ukita.

This tube is one of 'H-series', made as Japanese military tube in WW2.
CH-1 is almost same as 12SA7 and used for frequency converter.
Common type Japan tube/semic... J

Tube collector page of valve collector Shun Ukita as «own HP at RMorg»
As a member of Shun Ukita displays items in his/her tube collection. Tubes are called valves in British oriented countries.
Valve and tube collectors as well as radio collectors are invited to join Every member can display separate collections of tubes, radios etc.

Shun Ukita started his/her tube collection (valve collection) here on 26.Dec.2018. [index-en]


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