Yamaha R-N803 Owner's Manual

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When the PURE DIRECT switch is turned on, routes 
input signals from your audio sources so that the input 
signals bypass the BASS, TREBLE, BALANCE and 
LOUDNESS controls, thus eliminating any alterations to 
the audio signals and creating the purest possible sound. 
The PURE DIRECT indicator lights up and the front 
display turns off after a few seconds.

• When the PURE DIRECT switch is turned on, the front display 

turns off.

• The BASS, TREBLE, BALANCE, and LOUDNESS controls do 

not function while PURE DIRECT is turned on.

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The BASS and TREBLE controls adjust high and low 
frequency response.
The center position produces a flat response.

BASS control
When you feel there is not enough bass (low frequency 
sound), rotate clockwise to boost. When you feel there is 
too much bass, rotate counterclockwise to suppress.
Control range: –10 dB to +10 dB (20 Hz)

TREBLE control
When you feel there is not enough treble (high frequency 
sound), rotate clockwise to boost. When you feel there is 
too much treble, rotate counterclockwise to suppress. 
Control range: –10 dB to +10 dB (20 kHz)

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The BALANCE control adjusts the sound output balance 
of the left and right speakers to compensate for sound 
imbalance caused by speaker locations or listening room 
conditions.

If you rotate the BALANCE control to the end of L (left) or R 
(right), the opposite side of channel is muted.