Pioneer VSX-1325-K Manual Do Utilizador

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• Standing Wave – Control overly resonant low 

frequencies in your listening room (see Standing 
Wave on page 76).

The last two settings are specifically for customizing the 
parameters explained in Acoustic Calibration EQ Adjust 
on page 77:

• EQ Adjust – Manually adjust the frequency balance 

of your speaker system while listening to test tones 
(see Acoustic Calibration EQ Adjust on page 77).

• EQ Professional – Calibrate your system based on 

the direct sound coming from the speakers and make 
detailed settings according to your room’s reverb 
characteristics (see Acoustic Calibration EQ 
Professional on page 77).

• Default  setting:  0.0dB (all channels)

You can achieve better surround sound by properly 
adjusting the overall balance of your speaker system. You 
can adjust the Channel Level of each speaker in 0.5 dB 
increments. The following setting can help you make 
detailed adjustments that you may not achieve using the 
Manual speaker setup on page 82.

MCACC setup menu.
The volume increases to the 0.0 dB reference level.

This will be the reference speaker level, so you may want 
to keep the level around 0.0dB so that you’ll have plenty 
of room to adjust the other speaker levels.

• After pressing ENTER, test tones will be output.

–12.0 dB) as necessary.
Use 

/ to adjust the volume of the speaker you 

selected to match the reference speaker. When it sounds 
like both tones are the same volume, press 

 to confirm 

and continue to the next channel.

• For comparison purposes, the reference speaker will 

change depending on which speaker you select.

• If you want to go back and adjust a channel, simply 

use 

/ to select it.

You will return to the Manual MCACC setup menu.

• Default setting: 10’00” (all speakers)

For proper sound depth and separation with your system, 
it is necessary to add a slight bit of delay to some 
speakers so that all sounds will arrive at the listening 
position at the same time. You can adjust the distance of 
each speaker in half inch increments. The following 
setting can help you make detailed adjustments that you 
may not achieve using the Manual speaker setup on 
page 82.

as necessary.
Use 

/ to adjust the delay of the speaker you selected 

to match the reference speaker.

Listen to the reference speaker and use it to measure the 
target channel. From the listening position, face the two 
speakers with your arms outstretched pointing at each 
speaker. Try to make the two tones sound as if they are 
arriving simultaneously at a position slightly in front of 
you and between your arm span.

1

When it sounds like the delay settings are matched up, 
press 

 to confirm and continue to the next channel.

• For comparison purposes, the reference speaker will 

change depending on which speaker you select.

• If you want to go back and adjust a channel, simply 

use 

/ to select it.

You will return to the Manual MCACC setup menu.

• Default setting: ON

2

/ATT 0.0dB (all filters)

Acoustic standing waves occur when, under certain 
conditions, sound waves from your speaker system 
resonate mutually with sound waves reflected off the 
walls in your listening area. This can have a negative 
effect on the overall sound, especially at certain lower 
frequencies. Depending on speaker placement, your 
listening position, and ultimately the shape of your room, 

1 • If you can’t seem to achieve this by adjusting the distance setting, you may need to change the angle of your speakers very slightly.

• For better audibility, the subwoofer emits a continuous test tone (oscillating pulses are heard from your other speakers). Note that it may be 
difficult to compare this tone with the other speakers in your setup (depending on the low frequency response of the reference speaker).

2 You can switch on or off the Standing Wave and Acoustic Calibration EQ feature in the AUDIO PARAMETER menu. See Setting the Audio 

options on page 59 for more on this.

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