It’s strongly recommended to compare different receivers if you want to choose the best one: Pioneer SC-LX801 vs Marantz NR1506.
The number of channels for receivers is different - 9.2 versus 5.2, respectively, for devices. In terms of power, there are differences, the SC-LX801 has such a ratio W/Ohm - 140/8, 200/6, 255/4, while the NR1506 has a power of 50/8, 60/6. The value of total harmonic distortion is also different, and for the SC-LX801 it is 0.08%, but for the NR1506 it is 0.05%.
The manufacturer installed different DACs, the SC-LX801 received the model ESS SABRE32 Ultra 192 KHz/32-bit, but the NR1506 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Pioneer SC-LX801. Both Pioneer SC-LX801 and Marantz NR1506 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Pioneer SC-LX801 works with Deezer, TIDAL, Pandora, but the Marantz NR1506 works with Pandora, SiriusXM. 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 SC-LX801 and the NR1506. Video scaling is only possible with the SC-LX801. Operation with the Dolby Vision is only possible with the SC-LX801.
The number of HDMI inputs/outputs varies depending on the receiver, the SC-LX801 has 8/2, and the NR1506 has 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the SC-LX801 and the NR1506. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SC-LX801 and NR1506 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Pioneer SC-LX801. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in NR1506. The Pioneer SC-LX801 and the Marantz NR1506 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the SC-LX801. Only in the SC-LX801 realized a DTS:X surround technology.