Help! Treble Trouble!


Ok, cognoscenti, put your coconuts together.

The system I've put together at the house I stay in while working out of state has a problem. I have nonexistent treble at my listening position, particularly cymbals, high hats, etc. Not a toe in/toe out room problem as I can sit right in front of either speaker and stick my ear two feet from tweeters and hardly anything. Can hear it ear stuck right up to them. My high frequency hearing is fine. This happens with any source, digital or analog. Not the speakers as it happens with either the two sets I have here. Happens with to different amps also, Odyssey Stratos with plenty of juice and a Belles Aria integrated. The common denominator in this I think is my dac. Is it possible my trusty old Mytek is somehow conking out and causing this? 

Mids and bass are smooth and clear, just missing a lot of highs and it's mucking up my listening enjoyment. So, what do you guys think?

Gear here:

Odyssey Stratos amp,

Belles Integrated,

Mytek Stereo 192-DSD dac

Living Sounds Audio LSA20 signature speakers

Avance Epsilon980 speakers

Denon dp-57l turntable

LeJonklou Slipsik 7.1 phono pre

Audiolab 6000cdt transport.

Thanks!

 

 

thecarpathian

To recap: Happens in both digital and analog sources, voltage is 119.8 at outlets and furman, never had a problem with wax, can hear even the softest passages, hearing good up to 16k, mids and bass sound great. Tweeters must be crossed over high, because a lot of higher frequencies are coming from the mids. Replaced cord on Stratos with a Zu Audio Event which, if I'm not fooling myself, tightened the sound up nicely. Turntable and phono pre have captive cords, dac has stock cord.

Thank so far!

It seems like the only thing left is the tweeter itself.  Could you have had an odd power surge that took both of them out?  You should clearly be hearing some output from them.

I would remove the tweeters and test them.

Is the room acoustically treated? Or over dampened by window coverings, rugs or furniture? 

@thecarpathian I will make an assumption that your ears work and there is nothing wrong with your system. My conclusion of the root cause is atmospheric attenuation. It’s the combination of ambient temperature and humidity.
Read up on how it impacts high frequencies. 

So many variables.  You have to break it down to the simplest system as a control. If that is satisfactory, introduce other elements until you find the weakness. You know the drill!