Receiver


Hi all, 1st time ever to any forum and full disclosure I am a total novice in the audiophile world, that being said, I am looking for recommendations for a 8K receiver to power the following unpopular speaker in the USA, Vienna acoustics. I have a total of 7 speakers (4) Grand bookshelf 6ohm (2) Waltz 4ohm and (1) maestro center channel 6ohm. I am currently using an older Marantz SR7005 but since I purchased a 4K TV I am looking to upgrade!
thank you in advance 
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Have you asked this question over on the AVS forum?  You might get answers more to your liking.
Good afternoon and  Happy New year to all, 1st I want to thank you all for ur input, like I said I am not very well versed in this stuff and I definitely don’t know all the technical aspects of these components, I had never heard of NAD or anthem until I posted in this forum, looks like there are a few Anthem fans, and after doing a little checking, I really like the fact that the company is in Canada and  tech support is English speaking, HUGE plus for me, to answer some of the questions, I would say I watch way more movies than listen to music and as much as I would like to have the best of both worlds, I’m not willing to spend the money, sooo if I can stay at the 5K or so I would be happy, I misspoke in my initial comment, I actually have the Vienna acoustics that I mentioned I also have (2) Martin Logan tower speakers with a Martin Logan sub @raysmb1, I’m good with the same 20 guys in the nursing home arguing :) over the same basic concepts over 20,000 opinions! Now I just have to decide on which AVR to go with but think I am leaning towards the anthem so I’m going to find a local dealer and check out their stuff!  Thank you all again!!
I forget to mention, this setup is in a great room setting the listening area is about 18X20 and I have 16foot ceiling, not necessarily the prefect theater room! 
Yeah, given your requirements if you can afford $2700 I’d go with the Anthem MRX 740 and call it a day.  Frankly you’d probably be almost as happy with the Yamaha RX-A2080 at $1000 less, but if this is a long-term purchase and it’s in your budget, just go with the Anthem.