Yamaha AVENTAGE RX-A1080 vs Onkyo TX-SR494 – that is a question.
AV receivers under review have the same number of channels. In terms of power, there are differences, the AVENTAGE RX-A1080 has such a ratio W/Ohm - 110/8, 170/4, while the TX-SR494 has a power of 135/6. The value of total harmonic distortion is also different, and for the AVENTAGE RX-A1080 it is 0.06%, but for the TX-SR494 it is 0.08%.
The manufacturer installed different DACs, the AVENTAGE RX-A1080 received the model ESS SABRE 384 KHz/32-bit, but the TX-SR494 is equipped with AKM 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Yamaha AVENTAGE RX-A1080 and Onkyo TX-SR494 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The AVENTAGE RX-A1080 has access to the Spotify service.
The HDR10 function is present in each of the rivals. 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 AVENTAGE RX-A1080 and the TX-SR494. Video scaling is only possible with the AVENTAGE RX-A1080. Operation with the Dolby Vision is only possible with the AVENTAGE RX-A1080.
The number of HDMI inputs/outputs varies depending on the receiver, the AVENTAGE RX-A1080 has 8/3, and the TX-SR494 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVENTAGE RX-A1080. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVENTAGE RX-A1080 and TX-SR494 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha AVENTAGE RX-A1080.
Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in AVENTAGE RX-A1080. The Yamaha AVENTAGE RX-A1080 and the Onkyo TX-SR494 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.