does anyone know anything about the IN-20 bar graph tube thanks

[Jasper nagle]

[Dekatron42]

Yes, I know a little as I own the IN-20 in the photo and it comes from an eBay auction.

I got curious and haggled with the seller on Etsy who used this photo but he shipped some other tubes and now his shop is gone from Etsy!

If you try to access his shop you get this: https://www.etsy.com/se-en/shop/RadiotubesShop?ref=profile_header&search_query=6i1 I' not sure why but Etsy and Paypal told me that they had a lot of complaints with Radiotubeshop.

/Martin

[Tidak Ada]

Is the use of blue and yellow a statement,m in combination with a Russian tube?

 

[e]

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[liam bartosiewicz]

I wouldn’t be surprised if it was produced in what is now Ukraine, but I may be wrong.

On Aug 2, 2023, at 11:11 AM, Tidak Ada <off...@zeelandnet.nl> wrote:



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[Dekatron42]

Quite a few years ago I was told by both Russian and Ukrainian people that these tubes were manufactured in Ukraine, however the company Plasma Labs (www.plasmalabs.com) are nowadays situated in Ryazan in Russia so to me it is unclear where these were actually designed/invented, perhaps someone else has more information?

The logotype is the same on the A-201 Polyatron and the IN-20 as well as on the Plasma Labs website.

/Martin

[Jasper nagle]

yes i bought a few tubes from radiotubes before and all went well but he made me a private listing with some tubes i had been wanting and it costed me a few grand and all i received where 4 2-6$ tubes so i sent a message and then he said it was his ware house so i asked if we can work something out he stopped responding then 1 week later he's shop gone and it hasn't come back at least but i brought knowing i could get 100% of my money back but before buying i thought it was 98% a scam but sometimes you just have to take a chance 

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[Dekatron42]

It might not even have been the original seller that had this shop up, the one we dealt with earlier, someone might have hijacked his shop or built a copy.

Anyway it is a pity, the eBay seller I bought the tube from is also gone but since more than a year.

/Martin

[Jasper nagle]

yeah i was thinking it could have been hacked as well 

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