DNA Stratus 2A3 amplifier - first impressions
May 22, 2016 at 5:03 PM Post #2,821 of 4,456

 
With the new tubes!
 
May 22, 2016 at 5:07 PM Post #2,822 of 4,456
Stratus in her new home!
 
May 23, 2016 at 8:54 AM Post #2,824 of 4,456
It's been almost 2 months since I run my hd800 with the new mod SuperDupont, invented by sorrodje. I like it a lot. Previously, I had my hd800 modded using rug liners only. Now, SD mod and dust cover only.

This mod brought a new height to hd800-Stratus pairing! Highly recommended! It made me listening to hd800 more than he1000 nowadays :wink:

Thank you for developing this mod, sorrodje!
 
May 23, 2016 at 9:24 AM Post #2,825 of 4,456
Thank you for developing this mod, sorrodje!

 
You're welcome my friend.
 
Fortunately for me, it seems i'll soon be able to enjoy the same experience than you and I hope I'll be as happy as all Stratus owners here. 
 
@jsgraha : Did you change your fav' tube combination after the "Superdupont" mod ? What are you using right now ?   
 
May 23, 2016 at 9:57 AM Post #2,826 of 4,456
Interestingly, I currently enjoy the tubes combo which previously I liked with he1000, U52- TJ Full Music/SE. Shuguang Natural C-T still quite good, but it's a bit too rich with SD Mod, while Sophia Princess is a bit too wet.

It will be interesting to try KR 2a3. Hopefully, I can find a pair locally :grinning:
 
May 23, 2016 at 10:19 AM Post #2,827 of 4,456
Makes sense considering what the mod brings to the table :wink: .
 
I already have a pair of KRaudio 2A3 I bought recently and a pair of NOS Miniwatt Visseaux Donald measured and listened for me. Seems they're really good but I feel the presumably more neutral KRaudio will do the trick for my HD800SD . I'll grab a pair of Mazda or philipps 6BQ7a asap and see how is the result.  I haven't any U52 yet but already a bunch of well regarded 5U4G to roll.
 
The final wait will be long. 
 
May 23, 2016 at 10:25 AM Post #2,828 of 4,456
  Makes sense considering what the mod brings to the table :wink: .
 
I already have a pair of KRaudio 2A3 I bought recently and a pair of NOS Miniwatt Visseaux Donald measured and listened for me. Seems they're really good but I feel the presumably more neutral KRaudio will do the trick for my HD800SD . I'll grab a pair of Mazda or philipps 6BQ7a asap and see how is the result.  I haven't any U52 yet but already a bunch of well regarded 5U4G to roll.
 
The final wait will be long. 

IMO, U52 is a game changer with the KR tubes!
 
May 23, 2016 at 10:37 AM Post #2,829 of 4,456
My Stratus is scheduled to arrive next month and I want to buy a pair of 2a3 tubes that will match both the HEK and the HD800. Thinking about the KR 2a3 or EML Solids. Any suggestions? 
 
May 24, 2016 at 9:02 AM Post #2,830 of 4,456
Both are excellent tubes for the Stratus, but if I can only choose one, I will go with KR audio as it is more transparent and thus more versatile. I will then match with a richer sounding rectifier tube like U52 or psvane 274B for HD800.
 
May 25, 2016 at 8:39 PM Post #2,834 of 4,456
Vast majority of folks on this forum are HD 800 and Audeze guys, but just wanted to say that the Alpha Primes are superb with the Stratus. I had been thinking of upgrading, but I really can't seem to justify it with the sound I'm getting with the Stratus and Musical Paradise MP-D2 dac.
 
 
Stuart
 

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