I completely concur with Fletch. As an ARC REF. 2 MK. 1 owner I run a combination of Siemens, Telefunken and Valvo 6922/7308s. Think of it like you are making a rich sauce. You need a combination of spices (tubes) to get the right taste (balance) to your sauce (pre-amp tonal signiture.) NOS tubes absolutely DESTROY the Russian 6922 ARC uses, plus they last much longer- 4000+ hours. I have to add that Fletch is a GREAT resource for tubes and for straightforward advice. I've bought from several tube vendors, but Fletch glows brighter than them all !!
Audio Research, What tubes work best in Pre-amp
I am currently trying to find out what the best tubes to use in my LS7 would be, Whether NOS or some new type. I Want Huge SOUNDSTAGE with lots of AIR and The best possible Low Freq. Bass authority and control. I know thats a lot to ask from the tube but any Ideas please let me know. The stock tubes(which I am happy with)are 6922 dual triodes, however I would like to see how much more this piece can do so that is why I am looking. And The reason the bass is very important is that I am primarily running analog from phono so obviously the source input is low and causes a slight leaness to the sound at low volume levels. I dont know much about tubes so please tell me ones that fit with no MODIFICATIONS so I do not damage anything, Also are Tube Dampers Suggested and what type? Please tell me where to buy as well and Thanks.
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