Well, I plugged in some RCA 6SN7 (VT-231's)...grey glass

WhiteSE

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Well, they "seem" to sound better than the previous newer generation RCA tubes I had previously. These tubes give the music more weight and depth...the bass definitely improved...

These are the ones with the black bakelite looking base and grey lettering (old style RCA logo) and greyed out glass...

In a few days I will replace them with some NOS Tung Sol I got as well....


All that or I am just imagining it...well, same outcome... :D
 
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