The Marantz SR8012 vs Onkyo TX-RZ830 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 11.2 versus 9.2, respectively, for devices. In terms of power, there are differences, the SR8012 has such a ratio W/Ohm - 140/8, 175/6, while the TX-RZ830 has a power of 180/6. The value of total harmonic distortion is also different, and for the SR8012 it is 0.05%, but for the TX-RZ830 it is 0.08%.
The manufacturer installed different DACs, the SR8012 received the model 192 KHz/32-bit, but the TX-RZ830 is equipped with AK4458 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Marantz SR8012 and Onkyo TX-RZ830 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, TuneIn Radio. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the SR8012 and the TX-RZ830. Video scaling is only possible with the SR8012. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the SR8012 has 8/3, and the TX-RZ830 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the SR8012. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SR8012 and TX-RZ830 support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Ability to create 3 Multi zones inherent in both AV receivers. For voice control in the SR8012 is used Amazon Alexa, Google Assistant, Siri, Josh.AI, but in the TX-RZ830 is used Google Assistant. There is an ECO mode in SR8012. The Marantz SR8012 and the Onkyo TX-RZ830 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.