It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-V581 vs Marantz NR1508.
The number of channels for receivers is different - 7.2 versus 5.2, respectively, for devices. In terms of power, there are differences, the RX-V581 has such a ratio W/Ohm - 115/6, while the NR1508 has a power of 50/8. The value of total harmonic distortion is also different, and for the RX-V581 it is 0.09%, but for the NR1508 it is 0.08%.
The manufacturer installed different DACs, the RX-V581 received the model Burr-Brown 192 KHz/24-bit, but the NR1508 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Yamaha RX-V581. Both Yamaha RX-V581 and Marantz NR1508 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay versus AirPlay, AirPlay 2 respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Yamaha RX-V581 works with Pandora, JUKE, but the Marantz NR1508 works with Deezer, TIDAL, Pandora.
Support for the HDR function can only boast of each of the AV receivers. 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 RX-V581 and the NR1508. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the NR1508.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V581 has 4/1, and the NR1508 has 6/1. HDMI Audio Return Channel is only available on Yamaha RX-V581. HDMI eARC is not supported by the RX-V581 and the NR1508. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V581 and NR1508 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. There is an ECO mode in either AV receiver. The Yamaha RX-V581 and the Marantz NR1508 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V581. Only in the RX-V581 realized a DTS:X surround technology.