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Electro Harmonix tube opinions

I need your opinions of the EH tubes.
I have to buy many 6922, KT88 and 6550 tubes and the EH have excellent prices.
Anybody could compare them with other new Russian tubes like Sovtek, SED or Tungsol ?
About the 6922, EH have a gold pin version: anybody use them ?
I will apreciate all your opinions and suggest.
elduende14
czbbcl's avatar
czbbcl
1,752 posts
 
I use the 6922 gold pins in my cj pre-amp and like them very much. I have not compared them to alot of different tubes. But I have tried a few such as JJ Teslas, Philips JAN NOS and the stock sovteks. They seem to have better dynamics and are more detailed than any of the above. I would recommend them.

Chuck
oldpet
295 posts
 
I have a pair of the EH6922 gold pins. I Like them, but they don't get along well with my preamp. So - I'm not able to use them. In my preamp they caused a distortion at certain high frequencies. I'm sure it's some sort of odd occurrence. They'll probably work well for you.

best
rich3549
73 posts
 
I have their 6922 non-gold pins, and I like them much more than Phillips JAN NOS and Sovtek. In particular, I found the Sovteks harsh. The EH were much more fluid and relaxed with more details.

Good luck.

Rich
jond's avatar
jond
6,056 posts
 
I have a set of the 6550's in my Graaf push pull amp and think they sound great. That being said I just got the amp pretty recently and haven't done any rolling yet, so we'll see. Still I think for the prices I've seen they're excellent tubes and they appear to be well built.
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