Top resistors


Many threads with opinions on boutique coupling capacitors, but very little consolidated information on the sonics of resistors. Anyone care to share their thoughts on the attributes of their favorite brands & types for specific tube and SS applications? How much of a difference does a good resistor make?

My interest in the topic increased after recently installing the latest Texas Components nude Vishay TX2575 in several SS and tube phono & LS components. This was a proverbial "Ah-ha" moment-- a stray resistor dropped into signal path here or there, surprising with an improvement that equalled or surpassed the impact of a switch to a top coupling cap like V-Cap or Mundorf.
dgarretson
Salectric,

I put the A-B's back in after trying the tants. I dont understand it either but the high frequency emphasis was undeniable. That is why I mentioned in my post that it could be something peculiar in my system. For instance, I pulled the capacitor that is bypassing this resistor completely out of the circuit. I also took the grid cap off of the 6C6 driver tube and have 22 gauge silver wire directly in contact with the grid. Not sure if any of these things were interfering with the sound of the Tants, but I can't be sure. I am awaiting a response from Percy Audio as to another resistor recommendation.
Jetrexpro, Were the tantalums the newer type made by Audio Note during the last few years, or were they the older style Shinto tantalums distributed under the AN name? I tried the old AN tants 10 or 12 years ago, and they had a peak in the midtreble and were slightly edgy. The newer AN tants are much more neutral in my opinion.

Of course, AB carbons are very warm and could be considered dull in the highs, so perhaps nearly any modern resistor will sound bright in comparison.
And perhaps I have been over compensating for the warm A-B's by doing things like removing the grid caps. I will check with the guy who lent me the Tants to see how old they are. I do know they were fully broken in since he had been using them in his home brew 2A3 amp.
The AN Tants I borrowed are the previous version of the AN type; Audio Note is now making a newer version with non-magnetic copper end caps.

I am going to get the TX2575 and be mindful that if I hear too much hi end emphasis there may be something else in my amp/system to blame