Hyperion HPS-938 speakers

3-4 weeks , 4-6h on average per day should do it.
It won't change much after that. IMO.
You should hear its true capabilities and character after or around first 100h.

Congrats on new amp.
Don't worry , it will cool off with time .
Cheers

Mariusz

It has been running in for almost 48 hours. Has cooled off quite a bit. Still needs to open up some. Not throwing as much "air" as the Arcam was. Looking foward to hearing it at it's best. Going to borrow some innerconnects, Nordost Heimdall, Syn. Research, and Kimber Kable to run between my pre amd power amps. The Kimber is an all silver cable. Never had all silver in my system before. Any suggestions, other cable options?

I wouldn't recommend silver cables in your setup. They might be to hot for your rig. Then again , silver cables are not created equal. Some are very good with little coloration and some poorly design are somewhat sharp, edgy and can project the illusion of very fine detail which is nothing more then coloration that will drive you nuts over time. I could give you a deal on my silver speaker cables that were custom made for my friend and end up in my system when he was cleaning up. Those are top of the line Vampire that cost
about 2K. You can have those for 1/10 of the original price. But they are huge monsters. You don't want those beasts with your Hyperions.
I would recommend something like Audioquests, Cardas, Morrow Audio to name a few. Copper is more appropriate for your set up then poorly made silver wire. IMO.
However you can experiment with KK silver cable for the sake of " been there , done that" . They are OK. Used to own the balance version.

Cheers

Mariusz

Mariusz,

Any thoughts on whay the system seems to have lost its "air" to a point. Everything sounds right but not nearly as much "air". They only wierdness to my system is a Musical Fidelity Tube Buffer that is still in the mix. Worked wonders with the Arcam amp. Only thing I can think of that is unusual. Again any thoughts? Sorry to keep hounding away. Hoping it is just run in time.

It should open up at about 100h mark. It needs a little time to settle in. It's quaite normal behavior for new equipment to go through sometimes weird periods during breaking time. I would not worry to much about Mac, it will get only better from now on (like wine).

Musical Fidelity tube buffer might be in fault here but it is only my speculation. It wouldn't hurt to remove it temporarily from the system to evaluate its beneficial properties ......,or its negative effect on the overall sound quality. From mine expirience, unnecessary components in the system rob the detail, clarity and most importantly transparency. It is just like throwing in the signal path extra caps, resistors, boards, power supplies and cables. Less components between the source and the speakers the better. I am not saying that it is your case but it is just a thought.

So try that and give your nice brand new Mac some time to reward you with sound you are seeking for.

& not to worry, I can't sleep anyways.