Classe Audio VSX-81TXV-S manual X-Curve, THX Audio Setting, The System Setup menu

Models: VSX-81TXV-S VSX-81TXV

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X-Curve

The System Setup menu

07

X-Curve

Most soundtracks mixed for cinema sound too bright when played back in large rooms. The X-Curve setting acts as a kind of re-equalization for home theater listening, and restores proper tonal balance of movie

soundtracks.1

1 Select ‘X-Curve’ from the Manual SP Setup menu.

5.Manual SP

Setup

 

5e.X-Curve

 

 

 

 

 

 

 

 

 

a.Speaker

Setting

 

X-Curve

 

 

 

 

 

 

 

 

 

 

-2.0dB/oct

 

b.Channel

Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

c.Speaker

Distance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d.Bass Peak

Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

e.X-Curve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

f.THX Audio

Setting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63

125

250

500

1k

2k

4k

8k

16k

 

 

 

:Return

 

 

 

 

 

 

 

 

 

:Finish

2 Choose the X-Curve setting you want.

Use to adjust the setting. The X-Curve is expressed as a downwards slope in decibels per octave, starting at 2 kHz. The sound becomes less bright as the slope increases (to a maximum of -3.0dB/oct). Use the following guidelines to set the X-Curve according to your room size:

Room size (ft2)

400

550

650

800

2200

12000

X-Curve (dB/oct)

–0.5

–1

–1.5

–2

–2.5

–3

 

 

 

 

 

 

 

If you select OFF, the frequency curve will be flat and the X-Curve has no effect.

3 Select ‘Return’ then press ENTER to finish.

THX Audio Setting

For the most effective results when using the THX Select2 Cinema and THX MusicMode listening modes (see Using the Home THX modes on page 27) with the Advanced Speaker Array (ASA) system (see About THX on page 78), it is required that you make the setting. See THX speaker system setup on page 19 for more on THX speaker

placement.2

1Select ‘THX Audio Setting’ from the Manual SP Setup menu.

5.Manual SP Setup

a.Speaker Setting b.Channel Level c.Speaker Distance d.Bass Peak Level e.X-Curve

f.THX Audio Setting

:Return

2Specify the distance of your surround back speakers from each other.

5f.THX Audio Setting

SB SP Position

0-1 ft

SBL-SBR

:Finish

0–1 ft – Surround speakers within 1 foot apart (best for THX surround sound).

1– 4 ft – Surround speakers between 1 and 4 feet apart.

4 ft < – Surround speakers more than 4 feet apart.

3When you're finished, press RETURN.

You will return to the Manual SP Setup menu.

1 Select ‘X-Curve’ from the Manual SP Setup menu. Note

1Since the principal is the same, X-Curve isn’t applied when you’re using any of the Home THX modes (see Using the Home THX modes on page 27).

2If you don't have surround back speakers, or just have one, you won't be able to select this setting (Cannot select shows in the display).

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Classe Audio VSX-81TXV-S manual THX Audio Setting, The System Setup menu, Select ‘X-Curve’from the Manual SP Setup menu