AudioControl ACX-3.2 Panduan Pemilik - Halaman 13

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Installing the ACX-3.2 (continued)

Level Matching

Many source units produce signal voltages in the area of 2 to 4 volts. However,

you typically only achieve these voltage levels when the volume is turned all

the way up. By following the level matching steps for the ACX-3.2 you will be

able to take full advantage of the high voltage output of your source.

1. Disconnect the RCA cables leading into your amplifiers, and make sure the

only RCA cables between your source unit and the ACX-3.2's main inputs

are attached. Turn the volume level knob on the ACX-3.2 to maximum.

2. Play a favorite audio track contains consistent, dynamic music and turn the

source unit's volume control up to its maximum level. (NOTE: Some source

units may produce distortion or "clipping" when their volume controls

are turned all of the way up. If this happens, you will hear distortion even

at low levels when you connect the rest of the system. If this is the case,

lower the source unit's volume level until you no longer hear distortion).

The volume control on the ACX-3.2 will now be the master volume control.

3. Using the included AudioControl guitar pick, or a small screwdriver,

adjust the Input Level control on the top of the ACX-3.2 until the yellow

Maximized LED starts to flicker with the music. (NOTE: If the Maximized

light does not come on because of the low output of the source unit, turn

the Input Level pot to maximum).

Important Tip: If the Maximized light does not come on, because of the

low output of the source unit, turn the Input Level to maximum. Please

refer to the amplifier manufacturer's specifications on input voltage

to determine whether you will need to decrease the Input Level on the ACX-3.2

to avoid clipping the next component in line. If the next component in line is an

AudioControl component, there is no need to re-adjust the Input Levels, because

they can handle the hot signal voltage the ACX-3.2 produces.

4. Turn off the entire system and attach the output RCAs from the ACX-3.2 to

the next component in line.

5. Turn down the gain control on your amplifiers to the least sensitive setting

which is turning the gain control counter clockwise. This will allow you to

drive a hotter signal in to your amplifiers.