Audio Control DQL-8 Spezifikationen PDF herunterladen (Seite 19)

Owner’s Enjoyment Manual

The Strength of Digital

™

Level Matching

If you have ever listened to a friend’s “killer”

car audio system and heard lots of hiss then you

have experienced an improperly level-matched

system. When a performance autosound system

is properly level matched, you should get the

maximum output from your source unit and

amplifiers without any clipping or that annoy

ing hiss! The following steps will help guide you

through the process, although at the end of the

day, your ears will be your guide!

1) Set your source unit’s fader and balance con

trols to their center positions.

2) Disconnect the output RCA connections

between your DQL-8 and the amplifier(s) . . . oth

erwise get some earplugs.

3) Start playing some relatively dynamic music

and set the volume on your source unit to about

3/4 of maximum. You should not hear anything

at this point. If you are hearing music, go back

to step #2. If you are hearing voices, go see a doc

tor!

4) Starting with the DQL-8 “Input Level” con

trols, adjust the control knobs until the “Input

Maximized” LED’s begin to flicker steadily with

the music.

5) Now adjust the output level control until

the “2 volt” or “5 volt” light starts to flicker. You

will want the output voltage to match up to

your amplifier’s input gain levels. If you don’t

know how much this is, ASK the amplifier

manufacturer or read the owner’s manual of the

amplifier.

6) Very Important - Set the input gains on the

amplifier(s) at minimum!

7) Double check that you performed Step #6

8) Decrease the volume control on your source

unit and re-connect the RCA’s between the

DQL-8 and the amplifier(s).

9) Now increase the volume on your source

unit to your normal listening level. For some of

you, this may be louder than others!

10) At this point you may find yourself going

back and adjusting the “Output Level” controls

on your DQL-8 to accommodate for the speaker

placement and efficiency.

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