Fantastic receiver sounds great, excels at network features
I purchased this receiver to replace a long outdated, entry level Sony 5.1 receiver I bought back in 2008. My, my, how nice it is to be up with the times!
First off, let's talk about sound quality. Optimizing my speaker set up was trivially simple with the included mic and Yamaha's YPAO feature. My old receiver had a similar feature, but it took longer to run and did not seem to do nearly as good a job. Upon first listen, it was clear that the sound quality was markedly improved from my old receiver! The subwoofer seemed more balanced and harder to localize to my subwoofer and the overall sound levels and imaging were much improved.
Second, sound features. Purists (and most people with a good home theater set up) will probably prefer the "straight" sound option (no extra decoding/processing), which just sends audio through the channels it is intended to or perhaps even "direct" (purports to minimize circuitry and therefore noise in the audio)...
awesome
I purchased this a few days ago to replace an Onkyo TX-NR609 that stopped outputting sound a few months ago, after just 2 years. I can't speak to the v577's long term reliability, but the sound quality and features are terrific.
The wifi is great and way more useful than I thought it would be, particularly if you are using Airplay. You can play songs from your iphone directly to the receiver, using the music player, itunes, pandora, and any other app that supports airplay. You can even set it so that the receiver will turn on and start playing if you stream a song to it from the phone. Great feature, and all the internet radio stations available through the wifi are a huge plus too. One thing you can't do (as far as I can tell) is stream video from your phone, for example from the youtube app, which would be nice.
Second, the Zone B feature is killer because it outputs audio from digital inputs as well, i.e. audio coming in through HDMI. Unlike other...
Be aware of the true power specs
I bought this to replace my Onkyo since I wanted a little more power - I read the power spec on the yamaha main page (same as what is posted on Amazon's description as well) and thought it would go well with my existing speakers
Upon turning it on at 80% volume I noticed a lot of distortion in the sound - made me go back to the spec to read the fine print - that is when I started noticing a lot of other numbers in the manual
I had come to assume that all manufacturers are rating their outputs at the spec of below 0.1% THD, 2-ch, RMS but it turns out that Yamaha and a few other manufacturers are in a race to claim who has the max power - and in the process, they are forced to quote numbers that would not apply in every-day listening - so watch out what you are buying and how much power you are really getting
The V577 might output a max 70W below 0.1% THD - compare this to my 10-year onkyo which can output 100W at below 0.08% THD - but Yamaha can claim...
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