@eltabor alright.
For your Front L + R: Get the Revel F36 Rather - Revel Concerta2 F36 Floorstanding Loudspeaker (each) New or Revel Concerta2 F36 Floorstanding Loudspeaker (each) (OPEN Box)
Keep the KEF R2 Meta - KEF R2 Meta. Ask the AV Store if they can match the $950, if not ger it from the link I’ve given.
That is your L, C and R.
For the side surrounds, ask again if they can match the $599 asking price here - Q3 Meta
now your 5.x is decided
Get this subwoofer - Power Sound Audio S1512m Get it without the any AntiMode EQ as Bass Management will be done by your Denon
Now our 5.1 setup is set. If you want to do Dolby Atmos, you can add another two pairs of the Q3 Meta for heights, so you have a full 5.1.4 setup
Get this AVR rather - Denon AVR-X3800H
Get this 3 channel Power amp that is solely that, a power amp - Buckeye 3 Channel Amp
Phono Preamp - SPARTAN 20 MM & MC Phono Stage by Michael Fidler - Michael Fidler, Classic Audio Ltd You order this one by sending Michae an email here - order@michaelfidler.com
You need a measurement mic for the setup integration through DIRAC Live(get the full bandwidth license), get this one - UMIK-2 USB Reference Measurement Microphone : Musical Instruments