Help! Receiver or preamp? Im overwhelmed...


I need some help. Been gone for years and much has changed and Im just overwhelmed with the years of info on the forums. I dont want to make a foolish decision and would so appreciate the communities gracious knowledge and assistance.

Im 75% music and 25% HT. 

Gear:
Paradigm Studio 100 v4 mains Paradigm CC690 center 
Paradigm V2monitor surrounds
SVS PB13 Ultra Sub
Emotiva XPA 5 amp (200x5)
Keeping all the above

The old 5 channel Rotel HT1055 receiver (no HDMI) needs to upgrade even though I love the sound! Im fine with 5.1 and not interested in Atmos. Im also fine with a used item. What do you reccomend for some killer sound and updated HDMI?

jsbranham7
mahler123:" The OP asked for help on the receiver/preamp side of things, so I don’t think we should be overloading the response ledger with disc player recommendations."

Hello mahler,

     Did you not read my entire post or did you just not understand my proposed solution that goes above and beyond his original question and is likely much easier on his budget, no matter what the OP states it actually is, as well.
     An Oppo, combined with his existing 5 ch amp, would outperform any a/v receiver or preamp/processor that I’m aware of. He also gains an excellent universal audio and video disc player with a built in video processor, if he doesn’t have one already.
     I’ve never had the issue of an outdated HDMI input or output with either the Oppo 105 or 205 and doubt the OP would either.
    The only downsides of using an Oppo 105 or 205 as a preamp/surround sound processor are the following:
1. Atmos is not supported.
2. There is no auto room correction.
3. If vinyl playback is required on the system, a separate 2-ch preamp is needed.
     The OP said he only uses 5.1 surround audio for HT. room correction is seriously overrated and, if proper care is taken in selecting and positioning all speakers and subs in the room, it’s not necessary in my opinion and I’m waiting for the OP to state whether he uses vinyl as a source.

Tim
Get an Anthem AVR.

I say this because it's cheaper than their HT processors with 99% of the same parts.  The big difference is the AVR only has RCA outputs.

So, even if you decide to keep using your Emotiva amp, you save around $1k.
Thank you SO very much gentleman! I should also mention I will be keeping the Rotel (Not that it matters). As for the budget, I'm guessing up to $1000 would snag me an excellent unit in the used market? I do not play vinyl so that will not be a concern.

As far as video I'm guessing I want to be able to upgrade to a minimum of 4k handling ability, correct? And honestly, to play music we use either a Playstation 3 and 4 for discs and use it to access the internet for music sites and use the optic connection to the receiver. We even use an old Toshiba HD-XA2 for upconverting old movie content and some audio through it as well as it has a Burr Brown Dac. Use Playstation 3 and 4 for online music, movies, games etc. 

So yes, this boat has oars and we are probably missing out on a lot! For heaven's sake, I'm still using my speakers with one set of cables instead of Bi-wiring. So I need to learn about that too...Shew, work, and family have made me quite illiterate in the HT game, but I'm keeping faith there is potential!    
Would a Marantz SR5014 or SR7012 be a good choice? Or would the audio not be as satisfying as Rotel? What older Anthem unit would be a good choice? I like music to be very dynamic and hard-hitting...

Marantz NR1510 UHD AV Receiver...What about this? Since I have an XPA 5 Amp?
 

"... What do you recommend for some killer sound..."

I’ll just spit it out and let the chips fly. A two channel system with a good pre-amp and power amp.

Edit: Sorry I didn't know I was in the Home Theater group...but I said it so I wont take it back. Just ignore me.