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MONO CH-1

CH-3

CH-1+3

 

 

 

 

 

 

 

 

 

 

 

(L)

 

 

OFF

ON

x1

x20

OFF

ON

1/2 3/4 1+3/2+4 OFF

ON

OFF ON

x1 x20

OFF ON

INPUT

 

PRE

 

 

HP

 

 

LP

INPUT CHANNEL

HP

 

LP

DIRECT

 

OUT

 

 

 

 

 

 

 

 

 

 

CHANNEL-1/2

 

 

 

CHANNEL-3/4

 

MODE (R)

 

 

 

 

 

 

 

 

 

 

 

 

CH-2 CH-4 CH-2+4

2 3

5

 

BRIDGED

 

BATTERY

CH-2

CH-1

BATTERY

DIRECT REMOTE GND

 

 

 

 

40A

 

40

(R)(L)

CH-4

CH-3

FUSE

 

SPEAKER OUTPUT

POWER SUPPLY

1

8

4

6

7

1Speaker Output Terminals

The MRV-F409 has two sets of speaker outputs. Be sure to observe correct speaker output connections and phasing. In the stereo mode, connect the right speaker outputs to the right speaker and the left to left. Connect the positive output to the positive speaker terminal and the negative to negative.

In the bridged mode, connect the left positive to the positive terminal on the speaker and the right nega- tive to the negative terminal of the speaker. Do not use the speaker (–) terminals as a common lead between the left and right channels. Do not connect this lead to the vehicle’s chassis.

NOTE:

Do not connect speaker leads together or to chassis ground.

2RCA Input Jacks

Connect these jacks to the line out leads on your head unit using RCA extension cables (sold sepa- rately). Be sure to observe correct channel connec- tions; Left to Left and Right to Right.

(Front to Front and Rear to Rear)

NOTE:

For a single channel input in MONO mode, use the “CH-1” RCA input jack.

3Pre-Out Jacks

These jacks provide a Front + Rear summed output (Non-fading). This is an ideal output for driving a separate subwoofer amp. This output is full-range, and is not affected by the crossover.

1Bornes de sortie du haut-parleur

Le MRV-F409 a deux ensembles de sorties haut- parleurs. Vérifier que les connexions et la mise en phase des sorties haut-parleurs sont correctes. En mode stéréo, connecter les sorties du haut-parleur droit sur le haut-parleur droit et les sorties de gau- che sur le haut-parleur gauche. Connecter la sortie positive sur la borne positive du haut-parleur et la sortie négative sur la borne négative.

En mode ponté, connecter la sortie positive gauche sur la borne positive du haut-parleur et la sortie né- gative droite sur la borne négative du haut-parleur. Ne pas utiliser les bornes haut-parleur (–) à la fois pour les canaux droit et gauche. Ne pas connecter ce câble sur le châssis du véhicule.

REMARQUE:

Jamais connecter les conducteurs de haut-parleur ensemble ou sur la terre du châssis.

2Prises d'entrée RCA

Connecter ces prises aux conducteurs de sortie de ligne de l’unité principale en utilisant les câbles d’ex- tension RCA (vendus séparément). Vérifier que les connexions de canal sont correctes: gauche/vers la gauche et droite/vers la droite.

(Avant vers l’avant et arrière vers l’arrière)

REMARQUE:

Pour une entrée de canal unique en mode MONO, utilisez la prise d’entrée RCA “CH-1”.

3Prises de sortie de préamplificateur

Ces prises assurent une sortie accumulée Avant + Arrière (sans atténuation). C’est une sortie idéale pour entraîner un amplificateur de haut-parleur des sous-graves séparé. Cette sortie est pleine gamme, et n’est pas affectée par le séparateur.

1Terminales de salida del altavoz

El MRV-F409 posee dos juegos de salidas de alta- voz. Asegúrese de observar las conexiones y la fase correctas de la salida de altavoz. En el modo esté- reo, conecte la salida de altavoz derecha al altavoz derecho y la izquierda al izquierdo. Conecte la salida positiva al terminal positivo del altavoz y la negativa al negativo.

En el modo de puente, conecte la salida izquierda positiva al terminal positivo del altavoz y la salida derecha negativa al terminal negativo del altavoz. No utilice los terminales de altavoz (–) conjuntamente entre los canales derecho e izquierdo. No conecte este conductor al chasis del vehículo.

NOTA:

Nunca conecte los cables de altavoz juntos o en el punto de tierra del chasis.

2Clavijas RCA de entrada

Conecte las mismas a los cables de salida de línea de su unidad principal utilizando cables de exten- sión RCA (vendidos por separado). Asegúrese de que respeta las conexiones de canal correctas; iz- quierda para izquierda y derecha para derecha.

(Delantera a delantera y trasera a trasera)

NOTA:

Para una entrada de canal única en modo MONO, utilice la clavija de entrada RCA “CH-1”.

3Clavijas de salida de preamplificador

Estas clavijas proporcionan una salida delantera + trasera conjunta (sin desvanecimiento). Esta salida es ideal para excitar un amplificador de altavoz de frecuencias ultrabajas separado. Esta salida es de gama completa, y no es afectada por el filtro separador.

6

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Alpine MRV-F409 owner manual Speaker Output Terminals, RCA Input Jacks, Pre-Out Jacks, Bornes de sortie du haut-parleur

MRV-F409 specifications

The Alpine MRV-F409 is a powerful 4-channel car amplifier designed for audiophiles who demand high-quality sound and performance from their in-vehicle audio systems. Known for its compact size and impressive power output, the MRV-F409 combines advanced technologies and innovative features to provide an exceptional listening experience.

One of the standout characteristics of the MRV-F409 is its ultra-compact design. Measuring just 14.6 inches wide and 9.1 inches deep, this amplifier can easily fit into the tight spaces found in modern vehicles while still delivering robust performance. Its minimalist chassis allows for a straightforward installation, making it an attractive option for both professional installers and DIY enthusiasts.

The MRV-F409 delivers an impressive power output of 75 watts per channel at 4 ohms and a massive 120 watts per channel at 2 ohms, highlighting its ability to drive high-performance speakers without distortion. This dynamic power handling is complemented by a variable high-pass filter, low-pass filter, and bass boost, allowing users to customize their audio experience according to their preferences.

Alpine’s patented Dynamic Peak Power (DPP) technology sets the MRV-F409 apart from its competitors. DPP allows the amplifier to provide extra power for short bursts, ensuring that peak musical transients are reproduced accurately without clipping. This feature is beneficial for those who enjoy a diverse range of music genres, as it maintains sound clarity and impact.

The MRV-F409 also incorporates significant thermal management features to prevent overheating during extended use. Its aluminum heat sink design effectively dissipates heat, ensuring that the amplifier operates reliably even in high-stress conditions. Additionally, the amplifier is equipped with a sophisticated protection circuitry that shields the unit from overcurrent, over-temperature, and short-circuit conditions.

In terms of connectivity, the MRV-F409 is designed with user-friendly features, including RCA inputs for easy integration with head units and processors. Its 4-channel configuration allows for a multitude of system setups, whether it’s powering a complete speaker system or serving as a dedicated amplifier for subwoofers.

Overall, the Alpine MRV-F409 is a remarkable amplifier that combines power, efficiency, and adaptability in a compact form. With its advanced technology and user-centric design, it is an excellent choice for those looking to enhance their mobile audio experience without compromising on quality. Whether you're an audiophile or a casual listener, the MRV-F409 promises to elevate your in-car sound to new heights.