An overview of Yamaha RX-A770BL and Onkyo TX-RZ630 will help us understand the many features that the devices are equipped with. According to the results of our review, Yamaha RX-A770BL received 8.1 points out of 10 possible, and Onkyo TX-RZ630 was rated 7.8 points. The release date of RX-A770BL is 2017, and TX-RZ630 is 2018. And as a result of the review, it becomes clear that TX-RZ630 is inferior in audio processing features to RX-A770BL.
For the built-in amplifier, the models have rated 8 points out of 10.
The number of channels is equal to the number of possible connected speakers. The Yamaha RX-A770BL supports 7.2-channels sound, but Onkyo TX-RZ630 supports a 9.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the RX-A770BL this value is 95/8 W/Ohm, and for the TX-RZ630 it is 90/8 W/Ohm.
|Stereo power (RMS), W/Ohm||95/8||90/8, 215/6|
|Output impedance, Ohm||8||8, 6|
|THD in stereo, %||0.06||0.08|
After reviewing the audio features of each model, we can rate the RX-A770BL 8 out of 10, and the TX-RZ630 - 9.
Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.
|Digital to analog converter (DAC)||Burr-Brown 192 KHz/24-bit||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||YPAO||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT, Extra Bass||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio|
The connectivity of competitors in our comparison is equal and was rated 8 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
DLNA is the perfect way to use your local cloud storage to stream movies and music directly to a TV. You can use the DLNA protocol only with Yamaha RX-A770BL.
|USB||1 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay||AirPlay|
|Other streaming services||Deezer, TIDAL, Pandora, Napster, SiriusXM||Deezer, TIDAL, Pandora|
The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Yamaha RX-A770BL got 8 points, but Onkyo TX-RZ630 received 7 points.
Yamaha RX-A770BL is equipped with 6/1 HDMI inputs and outputs, and Onkyo TX-RZ630 has 7/2 HDMI inputs and outputs.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✖|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||2|
|Coaxial digital input||2||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic, AUX||HDMI, phones, setup mic, AUX|
|Multi channel preamp output||✖||✖|
The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the RX-A770BL were rated 10 out of 10 against the 7 for the TX-RZ630.
Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible only with Yamaha RX-A770BL.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||analog to HDMI||✖|
|Analog to HDMI scaling||✔||✖|
|HDMI to HDMI scaling||✔||✖|
|Other video features||DeepColor, x.v.Color, HLG, BT.2020||BT.2020, HLG|
In terms of evaluating additional features, the RX-A770BL got 10 points, but the TX-RZ630 has 8.
Only the Yamaha RX-A770BL has the ECO mode.
|Voice control||Amazon Alexa||Google Assistant|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✖|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||has not||has not|
As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.
|Zone audio output||speaker||speaker, preout|
|Zone HDMI output||✖||✔|
|Multi-room control||MusicCast, AV Controller||Onkyo Controller app|
|Remote control input/output (IR)||1/1||1/0|
|DC trigger output (12V)||1||1|
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-EXPRESS, DTS Neo:6 Cinema, DTS Neo:6 Music||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|