Bedienungsanleitung Axton c 409 (Seite 38 von 60) (Deutsch, Englisch, Französisch)

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reproduction anyway - will only be playing in the midbass and mid/high

frequency range. This so-called highpass filtered or HPF amplification

mode also puts less electrical and mechanical 'strain' on your coaxials

and component speaker systems, resulting in an increased power-

handling capacity.

In LOWPASS mode the respective speaker output will only receive

low-pass filtered (LPF) signals resulting in the subwoofer only playing

in the low-end bass frequency range without any unwanted 'smearing'

into the mid/high frequencies.

CROSSOVER FREQUENCY SETTINGS

(FILTER) FREQ. HIGHPASS & LOWPASS

Before you can effect the respective input sensitivity / gain adjustments

(LEVEL) you first have to select the system appropriate crossover fre-

quencies for all speakers connected by way of the respective filtering

controls marked FILTER FREQ. or SUBSONIC, HIGHPASS and LOWPASS

FREQ. (depending on amplifier model). For best results all crossover

settings should usually be played by ear rather than by guessing a

frequency value!

Do not forget to set the amplification mode switches into the re-

quired position, i.e. HIGHPASS or LOWPASS! Any frequency setting

on the filtering controls will be inactive if the amplification mode switch

remains in position FULL!

For appropriate crossover frequency selection, all tone controls

(Bass, Mid, Treble, Sub) and all fader and balance controls etc.

on the head unit have to be brought to their neutral or center

position!

CONTROLS & ADJUSTMENTS

Sequence of Adjustments

Depending on amplifier type (mono, 2-channel, 4-channel or a com-

bination thereof), amplification mode (fullrange, highpass or lowpass)

and connecting mode (stereo or mono bridged) it is possible, that only

part of the adjustments described in this manual section are applicable

to your individual car audio system.

If you are using your amplifier in conventional fullrange mode (eg. with a

soundboard), you may skip paragraph "1. Crossover Frequency Settings"

and go directly to "2. Sensitivity Adjustments".

In case you are using your new amplifier(s) in a multi-channel amplifier

system with highpass-filtered front and/or rear satellites and/or a

lowpass-filtered subwoofer, we recommend you to read the complete

section "Controls & Adjustments" before you start adjusting any of the

frequency or level controls.

However, it is recommended to keep to the practical and logical se-

quence of the frequency and level adjustments as described in this

manual section.

Active Highpass and Lowpass Filtering

The AXTON models C109, C209, C409 and C509 do not only offer con-

ventional fullrange amplification: You also have the choice of high-pass or

lowpass amplification mode, enabling you to drive your car audio speakers

in the specific frequency range where they will perform best.

In HIGHPASS mode dashboard, door and rear shelf speakers (usually

between10 and 16 cm diameter) - which do not give you strong bass

C109-509 Manual DEF.indd 38C109-509 Manual DEF.indd 38 15.02.2005 15:30:34 Uhr15.02.2005 15:30:34 Uhr

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Axton c 409 Seite 38

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