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Got it. I have not tried my HD 650 or 600 with the we396a, but i know my DT 1770 are more sensitive.
Your description makes sense, but I did not hear any hum in high gain with a pair GE JAN 5670W with Sennheiser 650 or Byer T1
I always use my Valhalla 2 high gain, no hiss or problems with 5670's. I mostly use Grado HP.
Interesting . . .I thought Grado's with low impedence would not be a good match with the Vahalla 2 and especially on high gain. You must have some super quiet tubes.
I don't hear any hum using Sung-Tol 2C51s on high gain with Sennheiser HD 700 and HD 6XX.
Grado HP in Valhalla? How does do they perform together?
Thanks for all the feedback! I think I might have some noisy tubes. Time to try one of my back up pairs and if that does not work, I am going to try another set of adapters.
Sounds great. Not as loud as my Vali 2, but more bass ( a little warm'n tubby not overly though) and much nicer highs. Sounds very spacious. Volume is about halfway tops !
No....I just have some GE5670's with adapters and the stock russian amp tubes. Maybe I got a special amp ? Has plenty of power.
I have tried three types tubes with the adapter: GE 5670W, Sylvania 2C51, and the Russian 6N3P. I think I like the GE 5670s the best.
The Western Electric 396A was the first 396A/2C51/5670 pair of tubes I tried and are my absolute favorite of those variants. Better than the vast majority of all the 6922 variants I ever heard, if not the best.
According to the price on Ebay, any Western Electric 396A should sound GOOD, right?
I posted 2 quad WE 396A @$199.99 OBO. Decent price.
Here to report, an update of my experience with my WE396A's, after about 60 hours of listening. . . MIND BLOWN!!! These tubes have opened up from top to bottom, without any hint of harshness in the top end and they have become super quiet as well. I have never heard imaging and seperation, so well. I can visualize the performance and placement of the instruments as if I was sitting in the room. Freaking amazing listening experience, everytime I fire them up. These tubes have really taken my system to another level and I am not exaggerating at all.