Bedienungsanleitung NAD T 775 (Seite 22 von 46) (Englisch)

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SPEAKER CONFIGURATION

Every surround-sound system requires “bass-management” to direct low-

frequency content from any or all channels to the speakers best able to

reproduce it. For this function to operate correctly, it is important that you

correctly identify your speakers’ capabilities. We use the terms “Small” and

“Large” (and “O”) but note that physical size may be irrelevant.

• A "Small" speaker is any model, regardless of physical size, that lacks

signicant deep-bass response, that is, below about 200 Hz.

• A "Large" speaker is any full-range model; that is, one with deep-bass

response

• An "O" speaker is one that is not present in your system. For example,

you might not have any surround-back speakers installed; in that case,

you would set the ‘Surround’ setup item to "O".

Depending on the relationship between speakers, the possible selections for

each speaker are as follows:

Front L/R Center Surround L/R Back

Subwoofer

1/2

LARGE

ON or OFF

SMALL

OFF

SMALL

LARGE

SMALL

OFF

OFF OFF

SMALL

LARGE

SMALL

OFF

SMALL

LARGE

SMALL

OFF

OFF OFF

OFF

LARGE

SMALL

OFF

SMALL

LARGE

SMALL

OFF

OFF OFF

SMALL

OFF

OFF OFF

OFF

SMALL

OFF

OFF OFF

The Speaker Conguration is “global”; that is, it remains in force with all

inputs and in all listening modes. However, speaker settings are part of

the T 775’s Preset system. Consequently, multiple speaker settings can be

stored for easy recall as dierent types of recordings or listening modes

require.

Speaker Conguration can be managed and adjusted by pressing a

combination of and then keys. Set ‘Front,’ ‘Center,’ and ‘Surround’ to

“Large,” “Small” or “O” as your subsystem’s speakers require.

The ‘Back’ speakers can either be one or two speakers. Set ‘Back’ to either 1

or 2 speakers as per availability. Set ‘Subwoofer’ to “On” or “O,” selecting “On”

only if you have a subwoofer connected to the T 775’s SUBW1 or SUBW2

output jack.

ENHANCED BASS

When the subwoofer is set to ON and “Front” is set to “Large”, Enhanced

Bass is also available. Normally, with speakers set to “Large” the subwoofer

is not active. The Enhanced Bass option allows full range operation of

the speakers with the additional bass contribution of the subwoofer. This

feature is particularly useful when one wants to experience maximum

bass output. Please note that due to acoustic cancellation eects, the bass

response may be uneven when using this setting

You can set Subwoofer to “On” even with “Large” front speakers, in which

case bass content from any channels set to “Small” will be routed to both

the subwoofer and to the front speakers; LFE-channel signal will pass only

to the sub. In most subwoofer-equipped systems, setting front speakers to

“Small” is usually the better option.

All the speakers’ low frequency content can be directly adjusted within the

range 40Hz to 200Hz.

NOTE

 Thecongurationssetforthat‘SpeakerSetup’arecarriedoverwhenever

itisenabledduringA/VPresetsetting.Pleaseseealsothesection‘AV

Presets’forreference.

SPEAKER LEVELS

Adjusting the relative balance of your system’s loudspeakers ensures that

surround-sound recordings, whether music or lm, will present the balance of

eects, music, and dialog that the artists intended. Additionally, if your system

incorporates a subwoofer it establishes a correct relationship between the

volume of the subwoofer and the other speakers, and thus of low-frequencies

(bass) to other sonic elements.

USING AN SPL METER

It is quite practical to perform the T 775 level setup routines “by ear,” and

careful work will produce acceptably accurate results. However, the use

of an inexpensive sound-pressure level (SPL) meter, such as Radio Shack

part number 33-2050, makes this task easier, more accurate and more

repeatable. Ownership of such a meter could prove a valuable audio tool.

OPERATION

USING THE T 775  SETUP MENU

ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

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NAD T 775 Seite 22

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