2. amps-preamps
  3. 130910-84892

Preamp 6922 tube help

So my favorite tubes out of all the ones I've tried are early 1960 Siemens CCA, i find them to have an exteremely clean sound, fuller flat, tight bass, great imaging, just everything you would want. But because my system is on the neutral, the CCA has tipped it to the brighter side because of the "sparkle". I was wondering if anyone had another recommendation for tubes that perform like the Siemens, with its sense of realism but without the brightness in my system. 

Here are the tubes I've tried 


Telefunken E88CC ULM - clean tubes but the bass is too rounded out.
Mullard E188CC - too warm, way too warm
Voskhod Singlewire - great tubes but just didn't feel like didn't have any characteristics
Reflektor Single Wire - seems like the mids were a bit warm, but very nice tubes, but i would always rotate them out after a period because they didn't feel too accurate, but very sweet. 
Amperex - Forgot which ones but the highs and lows were rolled off. 
Electro Harmonix 6922 - has a basic tube sound to them on the warm side of things. 






thewatcher101

Showing 4 responses by loungeaudio

loungeaudio's avatar
loungeaudio
12 posts
 
Nice digital system! The CCa tubes are really revealing units. Basically you have upgraded up to the point that you are hearing the true nature of the sonics of your DAC, the AC power that is feeding it, and the files/discs it plays.

EMI and RFI are enemies of the character of a DAC's highs. Every time I have used an EMI/RFI line power filter on a DAC the digital glare calmed down. I highly recommend you try one on your DAC.

Here is what I am talking about, 

http://www.newark.com/te-connectivity-corcom/10et1/rfi-power-line-filter-10a-500ua/dp/52K4501  

There are much smaller filters available but the one I link is vastly overrated so it will pass current freely to your DAC. 

The problem is that it has to be wired into you power line feed to the DAC. I have always spliced them into an IEC power cord or a normal power strip. 

There are plug and go solutions like Furman but the filters in those are not nearly as strong as the Corcom I linked.

Every time I have used these I have never regretted it.   
loungeaudio's avatar
loungeaudio
12 posts
 
All things aside, my favorite tube in the 'J8 family is the GE 6dj8 smoked glass. Rich midrange, yet not bloated. I will do tweaks around them to bring out the top end they lack. That's how good I think they are. 

Now don't ask me about the time I was at a surplus place and pulled out a drawer of about 20 Matsushita CV2493 and only bought 2 at the paltry sum of 1 dollar each!   

Good luck on your search.   
loungeaudio's avatar
loungeaudio
12 posts
 
At this point give Tube World a call and ask them about this,

 " 6DJ8 Amperex Holland 1958-1959 "D" getter halo (the rarest and most sought after 6DJ8, very lifelike sound) (oldest and rarest 6DJ8 Holland in stock) (these are the best 6DJ8 to use in a linestage, more musical than CCa Telefunken) (6DJ8 Holland sound excellent in preamps by AR, CJ, Audible Illusions, Sonic Frontiers, VAC, CAT, etc.) (HEART tube CD player) Customer Comment: ---------------- "All my absolute favorite 6DJ8's are made in Holland. They have the rich midrange that I love."  
loungeaudio's avatar
loungeaudio
12 posts
 
Hi Whart, Yes this is Morinix from Steve Hoffman's forum (also Morinix at Audio Asylum). Thanks for the welcome! Interesting place here at the 'goN.  
More to discover