Yamaha RX-A1070BL vs Harman Kardon AVR 1510 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-A1070BL has 7.2 versus 5.1 for Harman Kardon AVR 1510. Regarding power, then RX-A1070BL has such a W/Ohm ratio - 110/8 when AVR 1510 has a power of 75/8, 75/6. The THD is 0.06% for the RX-A1070BL but 0.09% for the AVR 1510.
Characteristics of digital to analog converter (DAC) are different, ESS 192 KHz/24-bit for RX-A1070BL and 192 KHz/24-bit for the AVR 1510. Only the RX-A1070BL supports Bi-amping feature. The Yamaha RX-A1070BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Yamaha RX-A1070BL can connect to the Internet via WI-FI. Only the RX-A1070BL has Bluetooth support. Only the RX-A1070BL supports Spotify.
Only the Yamaha RX-A1070BL has support for High dynamic range (HDR). Compared AV receivers retain the quality of 4K/60Hz 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 AVR 1510. Dolby Vision technology found support only on the RX-A1070BL.
The Yamaha RX-A1070BL has 8/2 HDMI inputs/outputs versus 4/1 HDMI connectors of the Harman Kardon AVR 1510. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the RX-A1070BL. Both models support the standard HDCP 2.2. The RX-A1070BL has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the RX-A1070BL. The setup assistant will help you configure Yamaha RX-A1070BL.
Only the RX-A1070BL has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A1070BL.