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Wanted E283CC TUBES WTD. NOS preferably?

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From the small photo provided they do look like Siemens E283CC (relabelling within the Siemens concern was a normal practice; later also rebranding, but since E283CC was not produced in the East, this is of no concern, and absolute majority of Siemens-made E283CC were of the frame grid, E88CC-plate-like construction, so practically impossible to fake). But ask the seller to provide photos of the etched production codes to verify.
 
Also, if the design permits (E283CC can be pushed slightly harder than usual ECC83), changing the wiring of the socket to ECC83 and using special-quality ECC83 variant would be probably still cheaper, plus you can even select better specimen from a larger pool of tubes... And, also ensure you will have spares in the future.
 
So know one thinks keeping this E283CC life going is a good idea? I Have 2 used ones in each module and the Summing amps have EF804s. So as I said before I have tubs of 5751, 12AX7's but may as well use Russian 6N2P variants if we are rewiring, no?
 
Siemens valves are as good as TFK or Mullard or Adzam or Philips or whichever fancy brand you like.
Surely it's a question of taste and the particular tube type? I happen to like good Dutch ones and most TFK's. I have stacks of Siemens that sound thin and not as good as Brimar British Army ones but you may prefer Cryogenic JJ's.
 
Not really. These codes are quite hard to remove (as opposed to the white lettering). It would surprise me if someone would really go that far - you never know, of course, but I would be very surprised.
Yes it would surprise me too but who knows these days, the most obscure things get replicated.
 
Surely it's a question of taste and the particular tube type? I happen to like good Dutch ones and most TFK's. I have stacks of Siemens that sound thin and not as good as Brimar British Army ones but you may prefer Cryogenic JJ's.
Frankly, I don't care at all for valve brands, as long as they're not some Chinese or other knockoffs. My collection of valve equipment is quite limited, as is my budget, so I can't be bothered looking for which brands seem to sound slightly better than others, described in very subjective terms.
 
Frankly, I don't care at all for valve brands, as long as they're not some Chinese or other knockoffs. My collection of valve equipment is quite limited, as is my budget, so I can't be bothered looking for which brands seem to sound slightly better than others, described in very subjective terms.

I find that valves really make a mic sounds good like some voices sound great with vintage TFK, some sound great with British Mullards and some really work with GE or Raytheon etc. I have half of my studio using tube gear in fact 2/3rds is tube but I have some cool solid state stuff for heavy solidity.
Most of my mics are valve ones and I have a lot. Also since I been hanging out here I've been learning a lot more about the tube topologies, I love it. I love details. But that's what comes from producing and writing about 10 albums. It takes a lot of determination and focus. I'm glad I can afford to have a beautiful studio and a wonderful workshop, it's great not having to make music for a living and being able to learn all this crazy stuff as well. I love making microphones and deciding what vintage Vales and capacitors I want to use. I never imagined I'd be doing this in my 50's but I'm not a fan of modern music so I'd rather listen to a tube.
 
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