Dang it, I'm Deaf....

@bob540 - I turned 70 in September, and I've had tinnitus for many years, and for me it manifests as a 'hiss'. Sometimes it's louder, sometimes it's quieter. It's possible that this is what you are experiencing. You might want to consult an audiologist.... 

Yes I remember at night I would hear no sounds ,dead silence. Now I hear a hissing...I'm 69...if aspirin or antibiotic, pain killers etc....I should be totally deaf.Yes,I never was a headphones user.But been to lots of rock concerts up close...I have had hearing tests and they want you to buy expensive ear phones.So as of now I live with tinnitus....

@larsman, I thought tinnitus was ringing in the ears.  I haven’t had ringing, just the hiss.  The hissing can be tinnitus too?

Ringing, hissing, buzzing. Can be intermittent or continuous. Can be triggered by various things, like drugs, blood pressure, other sounds.

Update: Like an idiot, I’m half deaf and I bought a Rogue Sphinx to run my Triangle Antals. My big system is out of service, the things that it did are lost on me so for now it just sits. Just to recap I have my loudspeakers about 3 feet apart and I listen with my good ear sitting 90 degrees to the speakers. I bought a mono conversion box but it seems stereo still sounds better. Mono seemed congested and flat. So I’m getting along swimmingly. I like the Sphinx although the top end is a little smooth. I might have some tube rolling in my future, lol. BTW, thanx a lot guys, your input was tops, as always.