Axxera AXA40D Manuel d'installation et d'utilisation - Page 8

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OPERATION

Configuration/Setup

Input level Control

The input level control (gain) is used to obtain the best

possible match between the head unit audio output and the

amplifier input. Begin by turning the input level control fully

counterclockwise. Next, turn up the head unit volume control

around 3/4 of the way up. Adjust the input level control

clockwise until audible distortion is heard, then slightly

counterclockwise to provide the best match.

Repeat for all input level controls.

Crossover Mode

The crossover is used to filter out frequencies above or

below a certain point. Choose LPF when using the amplifier

with subwoofers, HPF when using with midrange/tweeter

combinations and FLAT when using with coaxial-type

speakers.

Note: Choose FLAT when using the amplifier in stereo/

bridged simultaneous mode. In this mode, passive

crossovers are required. Failure to use the correct passive

components may damage the amplifier and/or speakers.

Consult a qualified professional for recommendations.

Crossover Frequency

This control allows precise adjustment of the crossover

Control

frequency.

Bass Boost

This control provides additional boost @ 45Hz when used

with subwoofers. Adjust this control with caution - as

improper use can damage speakers!

Subsonic Filter

Setting this control to the desired frequency will limit

(AXA10D)

harmful frequencies below the setting from going to the

subwoofer(s), preventing possible damage from frequencies

that subwoofers are not designed to handle.

LED Indicators

The green LED indicator illuminates during normal operation

(POWER) and the red LED indicator is visible when the

amplifier detects a fault (PROTECT).