Yamaha Aventage RX-A1050 Owner's Manual page 114

Front
Selects the size of the front speakers.
Settings
Select this option for large speakers.
Large The front speakers will produce all of the front channel frequency
components.
Select this option for small speakers.
Small The subwoofer will produce front channel low-frequency components
lower than the specified crossover frequency (default: 80 Hz).
• "Front" is automatically set to "Large" when "Subwoofer" is set to "None".
Center
Selects whether or not a center speaker is connected and its size.
Settings
Select this option for large speakers.
Large
The center speaker will produce all of the center channel frequency
components.
Select this option for small speakers.
The subwoofer or front speakers will produce center channel
Small
low-frequency components lower than the specified crossover
frequency (default: 80 Hz).
Select this option when no center speaker is connected.
None
The front speakers will produce center channel audio.
Surround
Selects whether or not surround speakers are connected and their sizes.
Settings
Select this option for large speakers.
Large
The surround speakers will produce all of the surround channel
frequency components.
Select this option for small speakers.
The subwoofer or front speakers will produce surround channel
Small
low-frequency components lower than the specified crossover
frequency (default: 80 Hz).
Select this option when no surround speakers are connected.
None
The front speakers will produce surround channel audio. Virtual
CINEMA DSP works when you select a sound program.
Surround Back
Selects whether or not surround back speakers are connected and their sizes.
Settings
Select this option when one large speaker is connected.
Large x1 The surround back speaker will produce all of the surround back
channel frequency components.
Select this option when two large speakers are connected.
Large x2 The surround back speakers will produce all of the surround back
channel frequency components.
Select this option when one small speaker is connected.
The subwoofer or front speakers will produce surround back channel
Small x1
low-frequency components lower than the specified crossover
frequency (default: 80 Hz).
Select this option when two small speakers are connected.
The subwoofer or front speakers will produce surround back channel
Small x2
low-frequency components lower than the specified crossover
frequency (default: 80 Hz).
Select this option when no surround back speakers are connected.
None
The surround speakers will produce surround back channel audio.
• This setting is not available when "Surround" is set to "None", or when "Layout (Surround)" is set to
"Front".
Front Presence
Selects whether or not front presence speakers are connected and their size.
Settings
Large Select this option for large speakers.
Small Select this option for small speakers.
None Select this option when no front presence speakers are connected.
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