S Scott Rolf Active member Joined Sep 11, 2011 Messages 33 Reaction score 0 Mar 16, 2014 #1 Has anyone tried the SPAX7-A pre amp tubes? Is there any noticeable difference?
M MrMarkIII Well-known member Joined Jul 16, 2007 Messages 2,828 Reaction score 0 Location SoCal Mar 16, 2014 #2 They are chosen for low noise. Not "tone". That's it.
S Scott Rolf Active member Joined Sep 11, 2011 Messages 33 Reaction score 0 Mar 16, 2014 #3 That's all I needed to know. Thank you.