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Vintage Yugoslavian made 12ax7 tubes for ARC

Hello,

Does anybody have any knowledge of these tubes that were made for Audio Research. I have information from the seller's web site but would like any first hand information such as the type of sound; warm, clear tone, etc. I plan on using them in my ARC SP16

Thank you,

Robertp50
robertp50

Showing 1 response by thorman

thorman
1,262 posts
 
I have been using the Ei 12ax7 ( Thor T1000 mk2 ) for years and the trick to them is to find a good tight pair..Some of the later ones don't measure and or last very long ( but still sound good )and if you can find some of the 70's Vintage they are noted to be one of the best of the
Ei's...They are crisp,clean, and airy ( as described )and extremely transparent...Very nice sounding tube..Not overly warm,but for me just the right tone.......
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