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Best 6550 regardless of price

I searched for this one and found only under $50 per tube. I was wondering what is the best 6550 not KT88. However the thread mentions KT-100s. Can any tell me about these and where you can get them. I have owned KT-90s so I am very familiar with those no need to discuss that. In addition If there is an outstanding non SS sounding 6550 where do you find that.
mechans

Showing 2 responses by nsgarch

nsgarch's avatar
nsgarch
2,517 posts
 
conusaudio.com red base Svetlanas
nsgarch's avatar
nsgarch
2,517 posts
 
Guidocorona, I think you mean "Sovtek" and you are right!
The Svetlanas to get are the ones made in St. Petersburg, and are generally identified as such by the retailer.
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