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Wanted E283CC TUBES WTD. NOS preferably?

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Hello id you have any I'm looking for at least 8 so let me know, thanks!
I see plenty on eBay at crazy prices!
Yes, that's going to be expensive! Be careful, counterfeits are also offered in this price segment. It may be worthwhile to work with socket adapters and ordinary ECC83s if the circuit (or application) allows this and should remain unchanged.

Good luck! (y)
 
Billington in the UK is my to-go place for buying rare and counterfeit-prone tubes - they've been proven trustworthy for this over many years

https://www.billingtonexportltd.com/

If you call them to ask for availability (you should), note that over there these are valves, not "tubes"..

/Jakob E.
 
Of which term I'm warming up to :)

I wonder how important the inter-segment shield of the '286 actually is. Not at all questioning that bit, seriously curious. There are so many 12ax7/ecc83 out there that I'm wondering if a conversion/socket adapter + tube shield would work fine in the majority of cases.
 
A device setup for E283CC tubes has a big chance of having been set up that way purely out of the maker getting a good deal on a batch of them. May make most sense to just go with whatever is reliable, low noise, and available, changing pin out to ECC83 if needed.
 
I like Billington and Langrex for British NOS. I figure there is 2 ways to go. Rewire for 5751 or EF86 or 6N2P or some other Russian one like a 6J23P etc. there are these and he's offered me 20% off if I buy them all: Screenshot 2024-12-16 at 21.58.13.png

Thoughts guys?
 
Of which term I'm warming up to :)

I wonder how important the inter-segment shield of the '286 actually is. Not at all questioning that bit, seriously curious. There are so many 12ax7/ecc83 out there that I'm wondering if a conversion/socket adapter + tube shield would work fine in the majority of cases.
Not enough space in the EAB modules.
 
What do you guys think of those so called Siemens Tubes? From sight obviously.
Siemens tubes are actually very good, towards the end of the tube era, when Siemens (and the other West German producer) no longer produced tubes themselves, other tubes were also sold under the Siemens label. These probably came from different sources, I have seen some myself that came from the former GDR.

As far as the tubes on the ebay offer are concerned, the story may be true; relabeling for major customers was certainly within the realm of possibility.

What bothers me about the tubes offered on ebay is that the seller always uses the same photo material and, above all, the etching codes are not clearly visible. If I had to buy such expensive tubes, I would insist on photos of the actual tubes including the visible etching code! Really a must for such an pricey offer from my point of view.

Edit: (even in the heyday of tubes, other manufacturers' products were labeled as Siemens tubes, e.g. Telefunken EF800, EF804 etc.)
 
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Maybe our Hungariarian friend could weigh in and give us his opinion. Obviously a lot of the Germanic companies moved their factories to the East like AKG etc, but I'm with you they look a little suss. @TLRT what do you think?
 
Maybe our Hungariarian friend could weigh in and give us his opinion. Obviously a lot of the Germanic companies moved their factories to the East like AKG etc, but I'm with you they look a little suss. @TLRT what do you think?
No they sold only their scrap machinery to the east (Tesla Czech, Ei-Yugoslavia) and as mentioned earlier they relabelled eastern made tubes. Great example is Siemens, you can find many eastern block tubes relabelled to Siemens(mostly RFT made)
 
He has the lot he is speaking of but wants 1120 eur I'm not sure, what is the RTC label like. I don't think I've had a good RTC EF86. @TLRT
 
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