Yamaha RX-V473 and RX-V573 A/V Receivers HT Labs Measures

Yamaha RX-V473 A/V Receiver
Five channels driven continuously into 8-ohm loads:
N/A (protection engages)

Analog frequency response in Direct mode:
–0.23 dB at 10 Hz
–0.07 dB at 20 Hz
–0.03 dB at 20 kHz
–2.57 dB at 50 kHz

Analog frequency response with signal processing:
–0.64 dB at 10 Hz
–0.19 dB at 20 Hz
–0.40 dB at 20 kHz
–62.24 dB at 50 kHz

This graph shows that the RX-V473’s left channel, from Audio input to speaker output with two channels driving 8-ohm loads, reaches 0.1 percent distortion at 81.3 watts and 1 percent distortion at 96.5 watts. Into 4 ohms, the amplifier reaches 0.1 percent distortion at 126.5 watts and 1 percent distortion at 143.2 watts.

There was no multichannel input to measure. THD+N from the Audio input to the speaker output was less than 0.019 percent at 1 kilohertz when driving 2.83 volts into an 8-ohm load. Crosstalk at 1 kHz driving 2.83 volts into an 8-ohm load was –74.29 decibels left to right and –73.69 dB right to left. The signal-to-noise ratio with an 8-ohm load from 10 hertz to 24 kHz with “A” weighting was –110.35 dBrA.

From the Dolby Digital input to the loudspeaker output, the left channel measures –0.11 dB at 20 Hz and –8.87 dB at 20 kHz. The center channel measures –0.10 dB at 20 Hz and –11.82 dB at 20 kHz, and the left surround channel measures –0.12 dB at 20 Hz and –4.77 dB at 20 kHz. From the Dolby Digital input to the line-level output, the LFE channel is +0.14 dB at 20 Hz when referenced to the level at 40 Hz and reaches the upper 3-dB down point at 94 Hz and the upper 6-dB down point at 116 Hz. —MJP

Yamaha RX-V573 A/V Receiver
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 20.8 watts
1% distortion at 24.9 watts

Seven channels driven continuously into 8-ohm loads:
N/A (protection engages)

Analog frequency response in Direct mode:
–0.23 dB at 10 Hz
–0.08 dB at 20 Hz
–0.04 dB at 20 kHz
–2.72 dB at 50 kHz

Analog frequency response with signal processing:
–0.66 dB at 10 Hz
–0.20 dB at 20 Hz
–0.35 dB at 20 kHz
–62.55 dB at 50 kHz

This graph shows that the RX-V573’s left channel, from Audio input to speaker output with two channels driving 8-ohm loads, reaches 0.1 percent distortion at 92.2 watts and 1 percent distortion at 111.4 watts. Into 4 ohms, the amplifier reaches 0.1 percent distortion at 102.0 watts and 1 percent distortion at 126.2 watts.

There was no multichannel input to measure. THD+N from the Audio input to the speaker output was less than 0.018 percent at 1 kilohertz when driving 2.83 volts into an 8-ohm load. Crosstalk at 1 kHz driving 2.83 volts into an 8-ohm load was –74.02 decibels left to right and –73.36 dB right to left. The signal-to-noise ratio with an 8-ohm load from 10 hertz to 24 kHz with “A” weighting was –110.56 dBrA.

From the Dolby Digital input to the loudspeaker output, the left channel measures –0.12 dB at 20 Hz and –0.33 dB at 20 kHz. The center channel measures –0.12 dB at 20 Hz and –0.28 dB at 20 kHz, and the left surround channel measures –0.11 dB at 20 Hz and –0.32 dB at 20 kHz. From the Dolby Digital input to the line-level output, the LFE channel is +0.14 dB at 20 Hz when referenced to the level at 40 Hz and reaches the upper 3-dB down point at 93 Hz and the upper 6-dB down point at 116 Hz.—MJP

Video Test Bench
MA HD and MA SD weren’t spectacular with either model, but I put them down as a pass because, although jaggies did start to appear in the yellow borderline zone of the jaggies test on the High-Definition Benchmark Blu-ray Disc, they weren’t pronounced. I didn’t notice any aliasing with real-world test video. Curiously, when I output 1080i video from my Oppo BD-93 to both receivers, they locked onto the 2:3:2:3 (PF-T) test quickly, putting a nigh-instant kibosh on moiré in the bleachers, but failed to do so at all when video output was set to 480i.—DB

Comments

another reason to get the 573

Submitted by Speakerboy30 on February 9, 2013 - 10:10am.

Don't forget if you are powering a set of tower speakers the 573 can bi-amp. This would make a big difference for stereo listening.

Does Yamaha pay you guys?

Submitted by jdmaster on February 11, 2013 - 12:55pm.

How and i mean how is this a good deal? This is 350$ and their is pioneer receivers and even other Yamaha receivers with more power it can't even be loaded at 7 channels continuously.

This is just sad and its even more sad you guys gave it a 4.5 on the charts(audio) i used to come her every single day reading not replying but this by all means is sad its weaker then Pioneer 521-K for just 200$.

Not even good enough for most satellite systems.

This should be a quad only company at least their mediocre at that.

And you guys should be ashamed.

it's about the sound...

Submitted by Rob Sabin on February 14, 2013 - 11:56am.

JD, putting aside how hard it is to consistently apply ratings across all brands and products when different reviewers are listening in different environments (a subject I've written about in the past), I would caution against suggesting that a particular unit sounds better just because it perhaps appears to deliver more power. Power is critical, but sound quality varies in these low end units. Dennis has great ears and a lot of listening experience across different price points, including a budget Denon AVR he reviewed for us a while ago in which he found the sound acceptable but nothing to rave about. For a budget receiver, these were impressive, and that is what we tend to base the audio performance rating on. Within their category, they sounded great, and it's genuinely hard to find that in entry level AVRs.

Yamaha 73 series

Submitted by aleksandr on February 10, 2013 - 2:17pm.

Nice Review. AVR good for high sensitivity speakers.