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Originally Posted by chrislago  This is the same song with MPA/M-Audio Luna and Tungsol 12ax7. Should I change the tube for a NOS tube? I dunno, it sounds great to my ears.
Would anyone like to send me a NOS Mullard or Telefunken 12AX7? I'd like to try them out and ship them back after. I just want to try them before I buy any. |
Vintage Telefunkens and Mullards sound VERY different from each other. One is open and accurate while the other is very dark and midrange focused (unless you're talking about special versions which complicates thinmgs). Both are excellent, just different. You should probably try a used one of each. I don't think you'll find anyone who will give you a loaner, as even a smudge on the logo can knock as much as $20 off the tube.
Regarding the differences. There is pretty much always an improvement in detail and responsiveness. That part is undeniable but tone is just a preference. Most people I talk to feel it's a very positive difference but everyone's ears are different. Just like with mics, converters, etc.