Velodyne DLS-R Series Manuel d'utilisateur télécharger pdf (Page 4)

(5) LINE INPUT/LFE Input

Connect these jacks to the LINE OUT preamp output, LFE

output, or subwoofer output jacks of your receiver/processor. If

using the LFE output from your receiver or processor, plug the

single cable into the “L” – LFE input or, for more signal, use a

“Y” connector and feed the signal into both “R” and “L” inputs.

(6) HIGH PASS CROSSOVER Switch

This switch selects the frequency for the high pass crossover.

This crossover is functional on both line and speaker-level

outputs. Smaller speakers with limited low frequency output may

perform better using the higher 100 Hz setting that will reduce

the low frequencies sent to them. Larger speakers with greater

low frequency output may be able to handle the 80 Hz setting

without strain.

(7) SPEAKER LEVEL INPUT Terminals

Connect these input terminals to the speaker output terminals of

your ampliﬁer or receiver. If you use this method of connection,

when you go to the receiver speaker set up menu, make sure

you select the large speaker option

(8) SPEAKER LEVEL OUTPUT Terminals

Sends a crossed-over speaker-level signal to the front speakers.

See below for a more detailed explanation of this crossover.

Rear Panel Connections – Detailed Explanation

Your new subwoofer is equipped with both speaker-level and line-level

inputs. Use the RCA/Phono type “INPUT” jacks when connecting

your subwoofer to a pre-amp, signal processor, or line-level crossover.

The “SPEAKER LEVEL INPUT” jacks connect directly to the speaker

outputs of an integrated ampliﬁer or receiver. Your ampliﬁer section

will notice no additional loading effects when you use these inputs

because of their high impedance.

Note:

Do not use both the RCA/Phono “INPUT” connections and “SPEAKER

LEVEL INPUT” connections simultaneously.

Low-Pass Crossover

Both sets of inputs sum the left and right channels together and the

resulting signal is passed through an adjustable low-pass crossover

before being ampliﬁed. The crossover control allows you to adjust

the upper limit of the subwoofer’s frequency response from 40 to

120 Hz. The subwoofer’s response will begin rolling off above the

frequency you set this control to.

You should set the crossover frequency to obtain a smooth and

seamless transition from the subwoofer to the main speakers in

your system. If your main speakers are smaller units with limited

low frequency output, you may wish to choose a higher frequency

(such as 100-120 Hz) than you would with larger speakers which

have greater low frequency output. With larger speakers, you might

start with this control set lower, such as 80 Hz.

Subwoofer Direct

Subwoofer Direct is a setting on the low-pass crossover knob and

will allow frequencies up to 200 Hz into the subwoofer. See below

for a more detailed explanation of this feature.

Speaker Level Output/Line Level Output

When connected in this fashion, your satellite speakers will be

crossed over at 80 Hz. This removes the lower bass from your

satellites, enabling them to do a better job reproducing high

frequencies and giving your receiver’s amp more headroom (up to

50% more power).

You may also connect your satellites directly to your receiver

or ampliﬁer along with the subwoofer if you wish to bypass this

crossover.

Caution!!!

To avoid damage to your main ampliﬁer, be sure to maintain correct

polarity when making all connections. Red (positive) to red, and

black (negative) to black. Be sure that all connections are tight, and

that there are no loose strands or frayed wires.

Power Switch

The master power switch is located on the lower right half of the unit.

This rocker style switch is the main on/off for the unit. This switch

should be set to position 1 for on (up), 0 for off (down).

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Velodyne DLS-R Series Manuel d'utilisateur Page 4

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