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Update on ube rolling question on phono preamp

Posted by dandaroy on October 30, 2020 at 09:13:28:
I contact Jim McShane and he gave me two choice: a low noise GL 12AX7 or Sovtek 12AX7LPS. He said that the GLs are bit more sweet than the LPS which are more neutral. I order a pair of GL.

Regarding the tube coolers, he expressed the same surprise as some members of AA, but did not want to say anything more since he did not know what kind of coolers they were.

I did a little more digging and I think this is kind that is on the stock tubes. EAT is you know is the "high end" division of Pro-ject.
So still BS or legit? Also if I am getting low noise/micro chractertistics in a pair from Jim would that make using damper irrelevant? I have used Herbie's damper in the past, but do not have any on any of my tube gear presently.

https://www.europeanaudioteam.com/en/e.a.t.-ecc803s-cool-valve-wp000028.html

https://www.europeanaudioteam.com/en/e.a.t.-cool-damper-wp000039.html#:~:text=The%20Cool%20Damper%20is%20a%20radical%20new%20device%20for%20the,them%20in%20new%2C%20fashionable%20colours.