Speaker placement for brightness control.

Hang in there, Broadstone, and I also have tinnitus...didn't know about that relationship. My tinnitus is very mild, however (I've been tested). I haven't looked for any forums, but after seeing the ENT and Audiologist, I'm now going to a migraine center for treatment...my diagnosis is called "Atypical Migraine" which includes the symptoms we have without the headache. The hyperacusis pain comes from the same area of the brain as a migraine.

I hope you're getting some type of therapy. The ENT had nothing for me, so I now see a neurologist specializing in head pain.

Also, there are devices sold to treat tinnitus; google it (but ask a doc about it since they might just be selling snake oil).

And it really does suck when you're grooving to a song and some loud trumpet starts in and I have to shut it down.

I also have hyperacusis and I agree with Lowrider57. Room treatment can help very much in taming the highs. Speakers with silk dome tweeters , tube amps that roll off the highs and speaker cables and interconnects (Cardas Golden Cross can really help to smooth out the sound.
Also a tube DAC (Synthesis Matrix) with a Marantz 8004 as a transport will really help your digital side of your system.

Right on Timo62, my next step is a soft dome tweeter. BTW, hanging the tapestry on my rear wall was such a significant improvement in trapping high frequencies.

Thanks again. I'm not seeing anyone for treatment as the two specialists that I saw (an audiologist and an otolaryngologist ) basically said that the treatment for either tinnitus or hyperacusis is learning tricks to deal with the condition. Both seem to agree, which is consistent with what I've found on the Internet, that these conditions are often associated with hearing loss. The audiologist designed a pair of hearing aids for me but I'm afraid the the resultant increase in volume may exacerbate the frequencies that cause problems and I don't want to experiment at a cost of approx $6500 a pair. Ironically, my hearing drop off seems to occur at around 5000Hz, the very frequency that I think is where my sensitivity starts.

One solution that was offered was ear devices that generate white or pink noise to mask the tinnitus; that just seems unacceptable on its face.

Low rider, I think I remember that you responded on another thread to someone with a similar issue but I don't remember the specifics. I think it was in reference to a question regarding the use of equalizers. As a last ditch effort to throw more equipment at the problem, I'm considering trying one and am curious to know whether you've tried or even recommend this approach. One way or the other I'd like to know whether a graphic or parametric equalizer would be best for the purpose. I've never dealt with any kind of equalizer control in 50+ years of listening and know very little about them.

Broadstone, yes I was part of a EQ thread but cant find it. Basically the recommendations were only add it if being used in the digital domain. If it's in the analogue chain, then there's more processing being done, noise being added, possible change in imaging and soundstage and buying more ICs.
I've worked in recording studios (analogue) and you would need to spend some $ to get professional results at home. Plus the result would be attenuating already compressed frequencies on the recording.

Look in the archives. I found lots of pros and cons on adding an EQ to the system. Many users are using EQ to balance their rooms, some using it for the reason we're talking about. (there are also some recommendations of good EQs; I think in the $1000 range)