Yamaha RX-V6A vs Yamaha RX-V677 review

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Yamaha RX-V6A vs Yamaha RX-V677 – that is a question.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V6A has such a ratio W/Ohm - 100/8, while the RX-V677 has a power of 90/8, 150/4. The value of total harmonic distortion is also different, and for the RX-V6A it is 0.06%, but for the RX-V677 it is 0.09%. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V6A and Yamaha RX-V677 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Yamaha RX-V6A works with Deezer, TIDAL, Pandora, SiriusXM, Qobuz, but the Yamaha RX-V677 works with Pandora, Napster, JUKE. Signaling over HDMI in standby mode can provide the RX-V6A and the RX-V677. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the RX-V6A.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the RX-V6A has 7/1, and the RX-V677 has 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the RX-V6A. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The RX-V6A has support for the standard HDCP 2.3, compared to the RX-V677, which supports the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-V6A.

Additional features

Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in either AV receiver. The Yamaha RX-V6A and the Yamaha RX-V677 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the RX-V6A. Only in the RX-V6A realized a DTS:X surround technology.