Worthy upgrade?

Very nice system.

Looking at your system and considering you have Nordost Frey 2 now... I would consider these appropriate. I don’t think I would do it. If you want greater detail I would upgrade your integrated amp. Macintosh are good in midrange and bass but lacking in detail. You have attempted to get more detail with the Nordost and Hurricane. I would save up to upgade the amp. 

I agree your speakers are deserving of better amplification. A Gryphon Diablo 300 will give you comparable dynamics without the detail-obscuring overt warmth. 

I had heimdall 2 cables when I owned SF Serafinos. Tried more expensive nordhost cables and Audioquest. Any difference I heard was negligible and not necessarily better. That’s just to my ears- many hear a “night and day” difference in cables, but my experience is that the differences are subtle. 

I would move away from a McIntosh integrated. Your speakers are great and although McIntosh and Sonus Faber generally sound good together I think you are missing the benefots of a separate amp and pre amp.  I had a McIntosh set up and moved away from it to tubes (Audio Research Ref160S and Ref6SE) and this was an astonishing improvement in overall sound quality.  I think you might need more detail for those speakers.  I have since moved to SS but your system deserves a better amp and pre amp.  Let us know how you make out.

I heard a significant improvement in the sound. But, is the upgrade ridiculous in terms of the rest of my system?
 

Given that the goal of an upgrade is to improve one’s system, if you can afford it, I don’t see why not. You already heard “significant” improvement. The only question I would have is: could I spend less money somewhere else in the system and obtain better performance? Keep in mind that the rest of your system will most likely change too overtime. That’s the nature of the game. My 2 cents: significant improvements are not usually easy to come, thread wisely. 

My 2 cents..The MacIntosh is your weakest link. Restaurants that make everything generally don’t do it all very well, separates is the way to go. Trying to prop up Mid-Fi with wires is subjective and can be an expensive rabbit hole. 
Cheers 

Spend your money as you wish, but wires make no objective difference.

@kenrus 

What do you consider ‘significant’ as it relates to the Tyr 2 cables? What did you hear? What tech is different about them vs what you already have that would account for a difference (especially a significant one)? 

I don’t understand the engineering differences. The only thing I know is that the music cleared up with the Tyr. The Frey did a good job of presenting the music, but but with the Tyr the music seemed more transparent. I could more easily tell where the performers were located in the soundstage. 

Thank you for your help and good questions  

Ken

Spending $8K on cables is not the way to go. If you REALLY want to experiment, use the lending library at thecableco.com and look at other brands like Acoustic Zen. Their top of the range is $4K - the silver may help. I bought my AZ Hologram II used for $900 and I love them. 

Also look at brands that sell direct, and buy an $8K cable for $2K (generally speaking). All my IC's are Zavfino Fusion.

But maybe the Mac is the real issue. I learned the hard way that amp and speaker synergy is pretty much everything. Sources are much easier really.

You might also consider Silversmith Fidelium speaker cables.  When I added them to my system both my wife and I were astounded at the sound quality upgrade … far more than I had expected or even hoped for.  I am running a Rogue RP-7 tube preamp, Odyssey monobloc SS power amps, and Fyne F-702 speakers.  Worthy of consideration.

@kenrus 

I have found that my Amati G5’s play well with almost everything I’ve plugged them into. Currently I’m bouncing back and forth between a Hegel H390 integrated and PS Audio BHK Signature preamp and BHK300 mono blocks.  They both sound different, but they both sound very good. And as far as speaker cables, I’m using Audio Art’s AAC Statement e SC Cryo’s with Rhodium bananas. Are they the best out there, no, but I doubt I’ll be buying another pair of speaker cables. I’ll be changing my DAC first and then maybe my amplification.

All the best.

@mike4597 +1 on Fidelium cables. Much bigger improvement than I expected.