What is better - Marantz NR1508 vs Marantz NR1609?
The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the NR1508 has such a ratio W/Ohm - 50/8, while the NR1609 has a power of 50/8, 70/6. A common feature for devices is the same total harmonic distortion - 0.08%.
Competitive models use the same DAC. The Bi-amping function is implemented only in the Marantz NR1609. Both Marantz NR1508 and Marantz NR1609 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. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Marantz NR1508 works with Deezer, TIDAL, Pandora, but the Marantz NR1609 works with Deezer, Pandora, TuneIn Radio.
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 NR1508 and the NR1609. Video scaling is only possible with the NR1609. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the NR1508 has 6/1, and the NR1609 has 8/1. HDMI Audio Return Channel is only available on Marantz NR1609. HDMI eARC is not supported by the NR1508 and the NR1609. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. NR1508 and NR1609 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Marantz NR1609. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Marantz NR1508 and the Marantz NR1609 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the NR1609. Only in the NR1609 realized a DTS:X surround technology.