Bedienungsanleitung NAD C 275 BEE (Seite 7 von 12) (Englisch)

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1 INPUT SELECT: Slide this switch to either “FIX” or “VAR”. When it is

set to FIX, the input signal is taken straight to the power amplier’s

circuitry. This setting is normally used in a system with only one power

amplier or multiple but identical power ampliers.

When the INPUT SELECT switch is set to “VAR” (Variable), it is possible

to adjust the volume level for both channels simultaneously, using the

INPUT LEVEL CONTROL. This can be useful for:

Level Matching

In a surround sound or system with more than one set of speakers,

dierences in levels can occur due to variance ineciencies between

these speakers. In case your preamplier or processor also has

individual trims for each channel, set these to neutral or mid position

(usually marked as 0dB). Adjust the INPUT LEVEL CONTROL so that

the speakers driven by the C 275BEE have the correct volume level

compared to the other speakers, judging from your listening position.

Extended Volume Control Range

Many systems have so much voltage gain that the speakers (or your

ears) are overdriven at any volume control setting higher than 11 or 12

o’clock. As a result you are conned to using only the lower half of the

volume control’s range, where adjustments are imprecise and where

channel balance errors tend to be greater.

If the input level is reduced, you can turn up the volume control of

your processor or preamplier, making more eective use of its range.

(Suggestion: adjust the input level controls so that your preferred

maximum sound levels usually occur at about 2 or 3 o’clock on the

volume control.) As an added benet, this procedure suppresses any noise

produced by the preamplier’s high level circuitry (e.g. any residual hum or

hiss that does not go away when the Volume is turned down).

Bi-Amping

Some loudspeakers have separate connection terminals for their LF

(Low Frequency) and HF (High Frequency) sections. Where a separate

power amplier is used for the LF and HF section, this facility allows to

“Bi-Amp” such speakers which may improve overall sound quality. When

Bi-Amping with dierent models of power ampliers, it is likely to occur

that one power amplier has more “gain” than the other, resulting in a

mismatch in level for the woofer and tweeter of the speaker. Adjust the

level control so that woofer and tweeter are in perfect balance with

each other (identical gain of power ampliers).

NOTES

· Always turn OFF the C 275BEE and other components in the system before

connecting or disconnecting anything to the INPUT sockets.

· When the INPUT SELECT switch is set to “VAR” for the rst time, it is

advised that the “INPUT LEVEL CONTROL” level of the C 275BEE or the

volume control level of your preamplier/processor be set to their

minimum settings. This prevents inadvertently beginning a session at

excessive volume. You can then adjust both controls to your desired

listening level.

2 INPUT: Connect the output from a pre-amplier or processor, such as

a surround-sound decoder, to this set of inputs. Use a twin RCA-to-RCA

lead to connect the left and right “Audio Output” of the preamplier or

processor to these input sockets.

3 INPUT LEVEL CONTROL: The INPUT LEVEL CONTROL works in

combination with the “VAR” (Variable) input setting. Turn clockwise to

increase the “VAR” (Variable) volume level; counter clockwise to lower it.

IDENTIFICATION OF CONTROLS

REAR PANEL

1 2 3 4 5 6 7

9 10 11

ATTENTION!

Please make sure that the C 275BEE is powered OFF or unplugged before making any connections. It is also advisable to power-down or unplug all

associated components while making or breaking any signal or AC power connections.

ENGLISHFRANÇAISESPAÑOLITALIANODEUTSCHNEDERLANDSSVENSKAРУССКИЙ

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