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401DB/801DB AMPLIFIER OWNER’S MANUAL

(MODE D’EMPLOI)

877 COUSTIC COUSTIC.COM

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Содержание 401DB

Страница 1: ......

Страница 2: ...in the power supply section to minimize internal heat and maximize reliability Furthermore the combination of the very high pulse width modulated PWM switching frequency and the extra large filter ca...

Страница 3: ...his output can be used to connect to another amplifier for system expansion Note This line level output is full range 8 REMOTE SUBWOOFER GAIN INPUT R S To be connected to the optional R S remote subwo...

Страница 4: ...nches of clearance above and around the unit Figure 3 Upright Mount on Horizontal Surface Figure 4 Parallel Mount on Vertical Surface The amplifier may be mounted upright on a horizontal surface see F...

Страница 5: ...mally consists of an active crossover and two amplifiers The active crossover divides the audio frequency spectrum into two ranges frequencies below the crossover point are directed to the amplifier d...

Страница 6: ...her with the audio cables as it would invariably cause radiated engine noise in your audio system If possible run audio cables on one side of your car and power cables on the other Never route these w...

Страница 7: ...sive internal temperature generated by incompatible source unit output and amplifier input Note Turning the input gain UP does NOT indicate MORE power Just MORE noise The input gain control IS NOT a p...

Страница 8: ...the audio system is on 7 Whining noise when Reroute power cable from battery to source unit directly engine is running with bypassing the battery terminal in the fuse box Check noise varying with the...

Страница 9: ...Sensitivity 0 1 5 V 0 1 5 V S N Ratio Rated Power 90dB 90dB Low Pass Filter Crossover Frequency 40 200 Hz 40 200 Hz Continuously Variable 36dB Oct Defeatable Subsonic Filter 20 or 40 Hz 20 or 40 Hz B...

Страница 10: ...e alimentation PWM transistors MOSFET ultra rapides tr s haute capacit en courant Ces transistors sont tr s efficaces ils ne chauffent que tr s peu et garantissent un niveau de fiabilit extr me De plu...

Страница 11: ...Panneau des entr es et des r glages 1 FILTRE SUBSONIC R GLABLE Le filtre subsonic permet de supprimer les fr quences trop basses qui perturbent votre sys t me de grave sachant qu il est incapable de...

Страница 12: ...sation haut volume combin e avec un mauvais refroidisse ment peut conduire la mise en protection thermique Il faut donc viter de placer l ampli trop pr s d une source de chaleur avec environ 5cm de vi...

Страница 13: ...ditionnelle BI AMPLIFICATION Un syst me bi amplifi est g n ralement constitu de deux amplis et d un filtre actifs Les basses fr quences sont orient es vers l ampli du subwoofer pendant que le reste du...

Страница 14: ...p gros Faites passer le c ble d alimentation dans la voiture Connecter une extr mit la borne B de l ampli et l autre extr mit la borne de la batterie Pensez bien s parer les c bles d alimentation des...

Страница 15: ...aut vous risquez de d truire les haut parleurs qui dans ce cas ne sont pas garantis S il est trop bas votre installation manquera de p che Figure 14 R glage de la sensibilit 1 Tournez le r glage fond...

Страница 16: ...un montage l imp dance trop bases par exemple moins de 2 ohms en st r o ou moins de 4 ohms pont Voir chapitre concern 7 L indicateur de mise sous V rifier la connexion la batterie ainsi que le passage...

Страница 17: ...quence 20 200 Hz 20 200 Hz 0 5dB 0 5dB Sensibilit d entr e 0 1 5 volts 0 1 5 volts S N ratio puissance maxi 90dB 90dB Filtre actif passe bas 40 200 Hz 40 200 Hz 36dB oct variable galiseur de grave 0 1...

Страница 18: ...DOES NOT COVER INSTALLATION OR DAMAGE RESULTING FROM ACCI DENT MISUSE ABUSE IMPROPER WIRING INCORRECT VOLTAGE OPERATING UNIT AGAINST INSTRUCTIONS IN OWNER S MANUAL OR ANY PRODUCT WHICH HAS BEEN OPENED...

Страница 19: ...M183...

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