Being able to compare Yamaha RX-A770BL and Marantz SR8015 gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Yamaha RX-A770BL received 8.1 points out of 10 possible, and Marantz SR8015 was rated 9.8 points. The release date of RX-A770BL is 2017, and SR8015 is 2020. SR8015 is more performable in terms of audio broadcast than the RX-A770BL.
For the built-in amplifier, the devices received different marks - 8 and 10, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Yamaha RX-A770BL supports 7.2-channels sound, but Marantz SR8015 supports a 11.2-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 SR8015 this value is 140/8 W/Ohm, and for the RX-A770BL it is 95/8 W/Ohm.
|Stereo power (RMS), W/Ohm||95/8||140/8, 175/6|
|Output impedance, Ohm||8||8, 6|
|THD in stereo, %||0.06||0.05|
After reviewing the audio features of each model, we can rate the RX-A770BL 8 out of 10, and the SR8015 - 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.
Speaker A/B switching allows you to change between the main and sub speaker set. Marantz SR8015 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||Burr-Brown 192 KHz/24-bit||N/A|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||YPAO||Audyssey MultEQ XT32|
|Speaker A/B switching||✖||✔|
|Other audio features||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT, Extra Bass||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LF, Compressed Audio Enhancer(MDAX2), Hi-Res audio|
The connectivity of competitors in our comparison is markedly different, Yamaha RX-A770BL scored 8, and Marantz SR8015 scored 10 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
|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, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, Napster, SiriusXM||Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud|
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 Marantz SR8015 received 10 points.
Yamaha RX-A770BL is equipped with 6/1 HDMI inputs and outputs, and Marantz SR8015 has 8/3 HDMI inputs and outputs.
HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available on Marantz SR8015.
The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Yamaha RX-A770BL in the HDCP 2.2 version, and Marantz SR8015 has the HDCP 2.3 version.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✔|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.3|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||2|
|Coaxial digital input||2||2|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic, AUX||USB, 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 rivals in our comparison were rated 10 out of 10.
With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The RX-A770BL works with the 4K/60Hz video, and the SR8015 has the 4K/120Hz.
The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Marantz SR8015.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/120Hz|
|8K signal pass-through||✖||8K/60Hz|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||analog to HDMI||analog to HDMI|
|Analog to HDMI scaling||✔||✔|
|HDMI to HDMI scaling||✔||✔|
|Other video features||DeepColor, x.v.Color, HLG, BT.2020||HLG, BT.2020, Dynamic HDR|
In terms of evaluating additional features, both receivers received a score of 10 out of 10.
|Voice control||Amazon Alexa||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Display||colour OSD||colour OSD|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||has not||IP Control, Web Control, RS-232 Control, App Control|
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||Marantz 2016 AVR Remote, HEOS App|
|Remote control input/output (IR)||1/1||1/1|
|DC trigger output (12V)||1||2|
Yamaha RX-A770BL got 7 points for the multichannel surround sound and Marantz SR8015 got 10.
Auro 3D gives a bit more versatility than Dolby Atmos or DTS:X and provides a hemispherical sound and enables a receiver to produce 3D sound stages. Marantz SR8015 has Auro-3D on its feature list.
IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. The SR8015 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-EXPRESS, DTS Neo:6 Cinema, DTS Neo:6 Music||DTS 96/24, DTS-HD, DTS-EXPRESS|