Having had an opportunity to test Sony STR-DN1040 vs Yamaha R-N602BL, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the STR-DN1040 has such a ratio W/Ohm - 100/6, while the R-N602BL has a power of 115/8, 105/4. The value of total harmonic distortion is also different, and for the STR-DN1040 it is 0.09%, but for the R-N602BL it is 0.01%.
The manufacturer installed different DACs, the STR-DN1040 received the model 96 KHz/24-bit, but the R-N602BL is equipped with Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Sony STR-DN1040. Both Sony STR-DN1040 and Yamaha R-N602BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. The R-N602BL has access to the Spotify service.
Oddly enough, the support for the HDR function is not implemented in these units. HDMI signal transmission in standby mode can provide only the STR-DN1040. Video scaling is only possible with the STR-DN1040. Review participants do not have the Dolby Vision feature. HDMI Audio Return Channel is only available on Sony STR-DN1040. HDMI eARC is not supported by the STR-DN1040 and the R-N602BL. When comparing receivers, it becomes clear that only the Sony STR-DN1040 has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha R-N602BL. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in R-N602BL. The Sony STR-DN1040 can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.