Lexicon DC-1 User Manual download pdf (Page 33)

DC-1 Digital Controller

Installation and

Calibration

Setting the Speaker

Configuration

The high pass filter attenuates low fre-

quencies at 12dB per octave. The values

given are for the -3dB point.

Select LARGE for full-range front speakers to deliver full frequency re-

sponse to the front outputs. Selecting SMALL activates a 12dB per octave

highpass filter and automatically routes low frequency information to the

subwoofer output. Choices of 80, 100 and 120 Hz are available for the -3dB

point. The 80Hz filter should be used if you are using THX-certified

speakers. You may also want to turn this control ON if you are using small

satellite, or in-wall speakers. Consult your dealer to determine their low

frequency capability.

The Speaker Configuration menu allows a wide range of choices in speaker

placement and room setups to provide optimal performance in almost any

room with virtually any speaker system. The menu allows you to set the

system for performance with center, sides, rear or subwoofer speakers. An

adjustable crossover is provided for systems with small center speakers,

and an adjustable lowpass filter is available for the subwoofer, as well as a

complementary highpass filter for all other speakers.

Press SELECT to access the selections for any highlighted menu item.

Front L/R

Bass Split rolls off frequencies at 12dB

per octave. The values given are at the -

3dB point of attenuation from the center

speaker.

CenterSystems that utilize a full-range center speaker should select LARGE to

direct center information to the center output with a full frequency re-

sponse. Select SMALL for installations where the center speaker is smaller

than the two main stereo speakers. This will automatically engage the Bass

Split feature which takes the low frequency content from the center, and

distributes it to the left and right front speakers, reducing the risk of damage

to a small center speaker without loss of bass information. When SMALL is

highlighted, press SELECT to display and adjust the crossover point for the

low frequency redistribution. Available crossover points are: 80, 100, and

120Hz. Press DONE to return to the Speaker Configuration menu.

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Lexicon DC-1 User Manual Page 33