Marantz NR1509 vs Yamaha RX-A1070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Marantz NR1509 has 5.2 versus 7.2 for Yamaha RX-A1070BL. Regarding power, then NR1509 has such a W/Ohm ratio - 50/8 20Hz-20KHz, 60/6 1KHz when RX-A1070BL has a power of 110/8 20Hz-20KHz. The THD is 0.08% for the NR1509 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for NR1509 and ESS 192 KHz/24-bit for the RX-A1070BL. Only the RX-A1070BL supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Marantz NR1509 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The NR1509 can work with the audio stream from Deezer, Pandora, TuneIn Radio, and the RX-A1070BL can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM.
These units support HDR technology. Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-A1070BL can scale the input HDMI signal, unlike the NR1509. The HDR standard - Dolby Vision is supported by these receivers.
The Marantz NR1509 has 7/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player. The NR1509 supports voice control via Amazon Alexa, Google Assistant, Siri, Josh.AI, and the RX-A1070BL - Amazon Alexa. It is also worth noting that the ECO mode is presented in each of the receivers. Both NR1509 and RX-A1070BL can be configured using the Setup assistant.
Only the RX-A1070BL has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A1070BL.
The Yamaha RX-A1070BL is better receiver in this comparison. Check Yamaha RX-A1070BL price