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Rolled some 12ax7's recently...

Hi All,
I went through my supply of 12ax7's recently and found some goodies.
I recently compared Bugle Boys to Telefunkens in the phono stage of my pre-amp. Interesting (to me, at least). I found the Telefunkens to be nice sounding; very clean and clear, very nice detail, over all a very nice sounding tube. The Bugle Boys, however, were magical! WOW! Timbre was so much more apparent. The soundstage depth and width increased; especially the depth. The music seemed to come alive and glow. It was much more captivating.
I found such a dramatic difference between two high quality tubes very interesting.
I have yet to try 10m's, and 70's Mullards that I found. I will report when I do...
By the way, NOS Sylvania's sound nice in the line-level stage. All tubes reported are vintage NOS. I match them with my tube tester. And, I do not change the volume setting between tube brands tested.
Any comments are more than welcomed! I appreciate any information on your experiences with 12ax7's. The price of some of these NOS is incredible; I am glad to have these nice examples in my collection!
Cheers.
bicycle_man

Showing 3 responses by theclipper

theclipper
26 posts
 
I am trying to find some tubes to replace the six JJ 12AX7s in my Fisher 400. I am wondering if you guys have any suggestions? They way everyone is talking I might be wise to try some 5751s in there. Any input would be greatly appreciated.

Thanks,
-Clipper
theclipper
26 posts
 
I appreciate the input guys.

So it sounds like the 5751s wouldn't really be necessary for me then? I am just trying to figure out what tubes I should try in my Fisher. I am really curious to experiment and see if I can get a better sound than the JJs are making right now.

Thanks
-Clipper
theclipper
26 posts
 
Bicycle Man,

Thanks for your insight. I know exactly what you mean about the highs. They have a definite edge to them in my setup right now. The bass has been fine for me, I think mostly in part due to my Forte II speakers.

What positions do you have the BB in? Also, I forget, did you end up trying any 5751s?

Thanks,
-Clipper
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