speakers for listener with Tinnitus

Lots of jokes here but I would recommend speakers that have a silk dome tweeter. To my ears they provide  smoother highs. I heard the Chapman T-5's at the RMAF a couple  of years ago and I loved them. My favorite room. 

Guys, the biggest things to remember are implementation.  I have owned many silk domes and loved them, but I've also heard many that were tipped up on top would not be the right choice for him.  That's one reason I mentioned speakers that have pistonic drivers and for the reasons stated above.  

bottom line is that you will really need to listen to them and keep in mind your room also.

I am not sure I understand the question. Tinnitus typically, is experienced as high frequency ringing, mine is, but it can cover any frequency. For most of us, it is related to high frequency hearing loss and is thus, a high frequency experience, but it can be any frequency. Work related tinnitus, typically is at a lower frequency.

 The main issue is noise exposure, which will worsen hearing loss and tinnitus. This would not normally be from using one's system, it is from loud concerts. I always told my kids, that if you left a concert with a couple of days of temporary tinnitus, you have permanently degraded your hearing.

 So, I agree with those who have suggested, that looking for speakers that sound good at low volume, is the key. Beyond that, if you are buying new, I would always listen to speakers in your own system, before purchasing.

 On the question of Headphones, it is commonly understood that it is easier to play at hearing damage levels on Headphones, than with speakers. One of the commonest causes of hearing damage now, is Personal Stereo, amongst the young.
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Completely agree on headphone and IEM's....It's really sad how kids are killing their hearing as they tune out the outer world.

Well this article might be helpful

http://www.stereophile.com/content/visit-audiologist#G5SPkkIezEkAMx62.97