Speaker Selection with "difficult" room

Thank you.

A few thoughts....

You might want to go with a speaker with a soft dome tweeter (ie., a slightly rolled off top end). It will be tough for you to control the high frequencies in that room, so anything 'brightish' will be hard on the ears.

You definitely need a floor stander to fill the room, but I'd be inclined to re-look at the Onkyo, you'll need a tight grip on the bottom end to keep it in check. So maybe something with some really high quality power (100wpc+), and a fairly efficient speaker.

Tons of choices on specific brands, really a personal preference.

Will the speakers fire down the length of the room or across the width of the room? How far will you be sitting from your speakers? How loud do you listen?

I'm with Plato.

Anthem, TacT, Deqx, Lingdorf, or Audyssey are your main options for room correction electronics. Not neccessarily audiophile approved, but probably your best call.

You could also go with bass only correction from Velodyne or SVS/Audyssey if you're willing to go to a subwoofer. You'll just have to find a speaker with the right top end for all those reflective surfaces in your room.

Good Luck,

Marty

Speakers will fire down length of room (23 feet). 11 foot ceilings BTW.
The sitting areas are @8 and 14 ft from the wall that will be next to the speakers.
I don't know dB levels as far as loudness and if it translates to speakers but 60 dB is normal conversation and 100 dB is a mower so I would say between those levels and less. Thank you.