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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Newbie question: What is the best source for NOS 6SN7 tubes, preferably cryo'd? posted by Quint on February 20, 2006 at 06:25:06:
Quint
I had my first experience with cryo treated tubes about a month ago and it was on a quad of 6L6gc tubes military russian version and I compared them to the identical ones I have in a pair of modded heath w5ms.The the non treated ones didnt add a brittleness to the sound that the cryo version did and the cryos produced 2 watts less power per pair than did the non cryos.
I could never understand where freezing tubes at 360 below and then then taking them to 360 above for 36 hours improves the tube..All I can see is welds weakening and eventually breaking loose and parts of the tube crumbling.I dont know that they ever even tested longevity of the tube once its treated with that crap.Who knows? If you get quality tubes,there is no reason to alter them.
mike
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Follow Ups
- Re: About cryogenics - MIchael Samra 13:42:15 02/20/06 (12)
- Why not ask TubeDepot? - cheap-Jack 08:30:40 02/21/06 (8)
- What do you think would be their answer? - sser2 19:46:18 02/21/06 (7)
- Are you sure??.. - cheap-Jack 09:48:18 02/22/06 (6)
- Absolutely. - sser2 11:47:40 02/22/06 (5)
- Re: I agree - MIchael Samra 23:12:19 02/22/06 (1)
- For sake of your argument,... - cheap-Jack 07:49:26 02/23/06 (0)
- Unfortunately, audio is a huge grey area. - cheap-Jack 13:22:39 02/22/06 (2)
- Isn't cryoing your typical tweaking? - sser2 20:01:18 02/22/06 (1)
- Nope, - cheap-Jack 08:12:34 02/23/06 (0)
- Re: About cryogenics - fatbottle 07:17:25 02/21/06 (0)
- Interesting - unclestu52 21:41:59 02/20/06 (1)
- Re: Interesting - MIchael Samra 22:45:56 02/20/06 (0)
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