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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Cryo Treated posted by TubeAcolyte on October 11, 2015 at 23:56:46:
- quote- "" To expand on the article, I think about the money. Most tube resellers will test tubes to their own standards and batch them accordingly for microphonics, performance, and consistency across test points. Out of that, you'll have the duds, the middle/good batch, and then the cream. Tube Depot for example has the JJ 6550 for $35 each, and $130 cryo-treated. Let's say in a fresh box from the factory, 10-20% are duds, 60-70% are good, and 10-20% are amazing. ""
TubeAcolyte: So based on this information, theory, etc. Then the companies are taking the cream and supposedly cryo treating them? But in reality, if they are the cream off the top, they would need no cryo treatment? Because they are top notch to begin with? If this is so, then it raises another question-
Why doesn't The Tube Store offer a cryo treated tube? What are they doing with their cream? Maybe selling it to Cryoset? As I notice Cryoset sells only cryo treated power tubes.
Also if it is true that a batch of tubes has varying degrees of tube quality. Then my guess is most of the new current issue tubes selling on ebay are not the cream, and may not even be the middle. Perhaps they are the duds. Especially some of those that are being sold out of China. Lots of folks selling Shuguang Treasures out of China. Wonder if those are the tubes Shuguang rejected?
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Follow Ups
- RE: Cryo Treated - waterfall 10:28:10 10/13/15 (12)
- RE: Cryo Treated - TubeAcolyte 21:37:59 10/13/15 (10)
- : DIY cryogenics - DAK 18:16:14 10/17/15 (0)
- I want to add.... - Winston Smith 03:47:39 10/14/15 (4)
- RE: I want to add.... - TubeAcolyte 09:33:46 10/14/15 (3)
- Sorry.... - Winston Smith 17:55:28 10/14/15 (2)
- RE: Sorry.... - cpotl 17:46:37 10/17/15 (0)
- RE: Sorry.... - TubeAcolyte 21:30:18 10/14/15 (0)
- Power cords all sound the same, too....... - Winston Smith 23:53:52 10/13/15 (3)
- RE: Power cords all sound the same, too....... - waterfall 02:30:56 10/14/15 (2)
- If you decide to try.... - Winston Smith 03:15:21 10/14/15 (1)
- RE: If you decide to try.... - waterfall 11:04:54 10/14/15 (0)
- RE: Cryo Treated - Sondek 11:40:01 10/13/15 (0)
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