Dual ALB12 Guia de Resolução de Problemas descarregar pdf (Página 7)

Lowlevel(RCA)inputsignalispreferredforbest

performance. Typical trunk-mount installations

requirea17-20footRCAcable.Mosttrucksand

behind-seatapplicationsrequirea6-12footRCA

cable.UsingtwistedpairconstructionRCAcables

will minimize noise.

Theadjustablecrossoverisusedtofilterout

frequenciesabove40Hz~160Hz.Adjustittowhere

the ALB12 sound output blends with the rest of the

sound system.

The phase control compensates for delay between

the ALB12 output and the rest of the sound system.

Begin with the phase control set to 0 degrees. If

thesoundisadequatefromthenormallistening

positioninsidethevehicle,nofurtheradjustmentis

necessary. If the sound is thin or lacking bass, adjust

the phase control until the bass is full and punchy.

Theinputlevelcontrol(LEVEL)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.

TheLEDindicatorilluminatesgreenduringnormal

operation.

Input Signal Connections

Low Level (RCA)

Crossover Frequency

Control

Phase Control

Input Level Control

LED Indicator

Control Setup and Adjustment

INSTALLATION

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Dual ALB12 Guia de Resolução de Problemas Página 7