Duelund internal speaker wire?

I have had many recommendations I replace the internal wire in my vintage speakers with Duelund, but have not at this point.  I have used Dueland as speaker wire and thought it was very good. So depending on the speaker, I think it could be a good move. 

I’m using Audio BBQ Duelund ICs purchased here on Audiogon which I like very much (16ga?). Now considering speaker cables (12ga?) which made me wonder about the possibility of Duelund internal speaker wire.

I rewired my Lowther speakers with Dueland wire a couple (maybe 3) years ago and it was a nice improvement in SQ. 

It´s Duelund and not Dueland.