Aestheix Calypso owners,tube advise needed


Just bought a 1 year old Calypso and need some suggestions.
I am biamping with Pass Lab Aleph 3s into Audio Physic Virgo IIs. I listen to Jazz, Rock and Blues. I have some nos Sylvania 6DJ8 with large yellow lettering with no other info and in the 12AX7 slots????.
gandme
Why don't you look into the new Blackburn 12AX7's,. I found this write up and some responses posted in the other audio forum where the tube inmates hang out.

http://www.techtubevalves.com/valves/e813cc.php

I am interested as well since I have an Aesthetix IO Signature and would be willing to try the new Blackburns as well.

Ciao,
Audioquest4life
I agree with Jadem6 as I use Mullard 12AX7 and Amperex 6922 in my Calypso. The tubes I found were dead quiet with the Calypso set in High Gain. I only mentioned the low gain setting as it opens up the doors to using so many other tubes. I am looking for a tube sound, otherwise I would have stayed with Solid State as it is less expensive in the long run.
AQ4life- Thanks for the Blackburn tube info...euro prices? about $60usd?.

Mds- I decided to start my tube setup with a neutral
sound...a place to start. The Telefunken/Amperex combo was recommended by some in this thread as did Brent Jesse. I replaced my S.S. pre not because I was searching for a better one, I needed the money. I sold my mono blocks, preamp, best CD players, very good wire and my Car! I replaced all with good "less expensive" equipment. I have come up with a better than expected system. I was not looking for a "tube sound", I was looking for the best sound for my taste that I could afford. I realise every piece adds it's own sonic signature to the music. I rely on my ears to decide if it sounds natural...nothing added...nothing taken away. I'm sure I will try different tube combinations in the future..that's what you guys are for...telling me what I am missing and what will sound better in my system. I do appreciate all the input!
I've had my Calypso for 2 years ... Telefunken 12AX7 ribbed for now. bought an NOS 6922 but honestly the difference isn't worth the extra $ (not that it isn't noticeable but i could spend $ on other stuff).

I always wonder if it's better if I go to something else like a Modwright transporter and skip the Calypso ...
Have you looked into the signature upgrade? I have had both and the signature is a whole different level. I was very surprised at how good the signature is even compared with some of the best preamps. You forget all about low noise tubes with the signature, any noise is all gone.