Yamaha AVENTAGE RX-A670 Owner's Manual

Selects a presence layout when presence speakers are used. This setting
facilitates the optimization of the sound field effect.
Settings

Front Height

Select this option when presence speakers are installed on the front
side wall.

Overhead

Select this option when presence speakers are installed to the ceiling.

Dolby Enabled SP

Select this option when using the Dolby Enabled speakers as the
presence speakers.

▪ This setting is not available when “Presence” is set to “None”.
▪ To play Dolby Atmos contents using the presence speakers, see “Presence speaker layout” (p.21).

Sets the lower limit of the low-frequency components that can be output from a
speaker whose size is set to “Small”. A frequency sound lower than the specified
value will be produced from the subwoofer or front speakers.
Settings
40 Hz, 60 Hz, 80 Hz, 90 Hz, 100 Hz, 110 Hz, 120 Hz, 160 Hz, 200 Hz

If the volume and crossover frequency are adjustable on your subwoofer, set the volume to half and
crossover frequency to maximum.

Sets the phase of the subwoofer. When the bass sound is lacking or unclear,
switch the subwoofer phase.
Settings

Normal

Does not reverse the subwoofer phase.

Reverse

Reverses the subwoofer phase.

Enables/disables Extra Bass. When Extra Bass is enabled, you can enjoy
enhanced bass sounds, regardless of the size of the front speakers and the
presence or absence of the subwoofer.
Settings

Off

Disables Extra Bass.

On

Enables Extra Bass.

You can also use BASS on the remote control to enable/disable Extra Bass (p.55).