DYI upgrading B&W N805 to Diamond 805?

@grannyring 

Its easy to imagine differences that arent there. You would need to compare both versions and correctly guess which one is which blindfolded. 

My comments are based on well executed experience with careful listening over long periods of time. This is an area of huge potential upside. No, I am not self deluded as you suggest. Rather I am well experienced in this area. Speculate on....remember this is a great big world with so much to learn. Get some experience yourself and you will also learn new things over time. Enjoy the ride! 

Parts quality matter.  This is so true in speaker crossovers and audio electronics. Many well respected manufacturers offer upgraded versions on their gear with Vcaps, silver wire, Duelund caps, fast recovery diodes, Output transformers, shunt stepped attenuators, tubes and on and on ..... They also know parts make a difference.  

Speaker builders selling through distributors have to manage build costs and therefore place $ .20 cent resistors and $5 - $15 caps in their speakers. It is done for cost reasons.  

It is a lot safer to upgrade the caps for modern speakers than for speakers from the 80's.

You don't run into ESR differences luke you did before, which does funky things to the impedance curve.