MA-i Series Power Amplifiers Amplificateurs de puissance

Leistungsendstufen Amplificadores de potencia

 

 

 

 

 

 

 

 

5 Troubleshooting

5 Diagnostic de panne 5 Fehlersuche

5 Solución de problemas

CH2

5

 

4

READY

3

 

2

SIGNAL

1

 

0

6 7

8

9

POWER

10 BRIDGE

11DATA

12

CONDITION: No sound, even though the amp has power. Power LED is on without flashing and the amp is receiving an input signal. Signal indicator is on or flashing.

POSSIBLE REASON:

Speakers not connected.

Open circuit due to speaker failure.

There is a short on the amplifier output.

First disconnect your speakers from the affected channel(s) one by one to determine if one of the loads is shorted.

Ready LED is off. Channel has been set to standby mode via the software.

CONDITION : Pas de son, même lorsque l’amplificateur est sous tension. La DEL de l’alimentation est allumée mais ne clignote pas et l’amplificateur reçoit un signal d’entrée. L’indicateur de signal est allumé ou clignote.

RAISON POSSIBLE :

Les enceintes ne sont pas connectées.

Circuit ouvert en raison d’une défaillance d’une enceinte.

Présence d’un court-circuit sur la sortie de l’amplificateur. Débranchez les enceintes du (des) canal(canaux) concerné(s), un par un, afin de déterminer si une des charges est mise en court-circuit.

La DEL prêt est éteinte. Le canal a été mis en mode d’attente via le logiciel.

ZUSTAND: Kein Ton, obwohl die Endstufe mit Strom versorgt wird. Die Power-LED leuchtet ohne zu blinken, und der Verstärker erhält ein Eingangssignal. Anzeige “Signal” leuchtet oder blinkt

MÖGLICHE URSACHE:

Die Lautsprecher sind nicht angeschlossen.

Offener Schaltkreis aufgrund defekter

Lautsprecher

Kurzschluss am Ausgang der Endstufe.

Trennen Sie nacheinander einzeln die Lautsprecher der betreffenden Kanäle, um zu prüfen, ob eine der Lasten kurzgeschlossen ist.

Leuchte „Ready“ ist aus. Der Kanal wurde von der Software in den Standby- Modus versetzt.

CONDICIÓN No hay sonido, aunque el amplificador está energizado. El LED de energía esta encendido sin parpadear y el amplificador está recibiendo una señal de entrada. El indicador de señal está encendido o parpadeando.

RAZÓN POSIBLE:

Los altoparlantes no están conectados.

Hay un circuito abierto debido a una falla en los altoparlantes.

Hay un cortocircuito a la salida del amplificador. Primero, desconecte los altoparlantes del/los canal(es) afectado(s) uno por uno, para determinar si una de las cargas está en cortocircuito.

El LED de preparado está apagado. El programa ha puesto al canal en modo de espera.

CONDITION: No input signal.

Signal indicator is not flashing

SIGNALeven though audio is applied, and the channel is ready.

POSSIBLE REASON:

• Input signal level is very low.

CONDITION : Pas de signal d’entrée. L’indicateur du signal ne clignote pas même si l’audio est appliqué et que le canal est prêt.

RAISON POSSIBLE :

• Le niveau du signal d’entrée est très faible.

ZUSTAND: Kein Eingangssignal. Leuchte “Signal” blinkt nicht, obwohl ein Audiosignal anliegt und der Kanal bereit ist.

MÖGLICHE URSACHE:

• Eingangssignal ist sehr schwach

CONDICIÓN: No hay señal de entrada. El indicador de señal no está parpadeando, aun cuando se aplique audio y el canal está preparado.

RAZÓN POSIBLE:

El nivel de la señal de entrada es muy bajo.

CONDITION: Computer does not communicate with the network devices.

POSSIBLE REASON:

Incorrect wiring. See Section 3.5 on wiring.

IP Addressing is not done correctly.

CONDITION : L’ordinateur ne communique pas avec les appareils du réseau.

RAISON POSSIBLE :

Mauvais câblage. Reportez-vous à la Section

3.5relative au câblage.

L’adresse IP n’est pas correctement définie.

ZUSTAND: Der Computer kommuniziert nicht mit den Netzwerkgeräten.

MÖGLICHE URSACHE:

Fehlerhafte Verkabelung Siehe Abschnitt 3.5

über Verkabelung

Falsche IP-Adressvergabe Siehe

CONDICIÓN: La computadora no se comunica con los dispositivos en red.

RAZÓN POSIBLE:

Cableado incorrecto. Consulte la sección 3.5 sobre cableado.

El direccionamiento de IP no está realizado correctamente.

Operation Manual Mode d’emploi Bedienungsanleitung Manual de Operación

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Harman MA12000i, MA9000i Speakers not connected Open circuit due to speaker failure, Input signal level is very low

MA12000i, MA9000i, MA5000i specifications

The Harman MA5000i, MA9000i, and MA12000i are part of Harman's premium line of integrated amplifiers, designed to deliver high-fidelity audio reproduction with cutting-edge technology and features. Each model integrates aspects of engineering excellence to provide an immersive listening experience that caters to audiophiles and casual listeners alike.

The Harman MA5000i serves as an elegant entry point into the series, packing a punch with 50 watts per channel into 8 ohms and 80 watts into 4 ohms. This amplifier provides a clean, powerful sound with low distortion levels, ensuring that the audio remains faithful to the original recording. The MA5000i features seamless connectivity options including Bluetooth, USB, and analog inputs, allowing users to easily integrate various audio sources. Harman's proprietary audio technology is evident in the dynamic range and clarity that this model can reproduce, making it an excellent choice for small to medium-sized listening environments.

Stepping up, the MA9000i elevates the audio performance further with 100 watts per channel into 8 ohms and 150 watts into 4 ohms. This model is equipped with advanced technologies such as Harman's unique Adaptive Signal Processing, which optimizes sound based on listener preferences and room acoustics. The MA9000i also incorporates a high-resolution digital-to-analog converter (DAC) that enhances playback quality from digital sources. With its extended frequency response and substantial power, this amplifier is adept at driving a wider range of speakers, making it suitable for larger spaces.

At the pinnacle of this series, the Harman MA12000i delivers an astonishing 200 watts per channel into 8 ohms and 300 watts into 4 ohms, tailored for the most demanding audio setups. This amplifier showcases Harman’s latest advancements in audio engineering, including a state-of-the-art power supply and efficient cooling technology that maintains performance even under heavy loads. The MA12000i is built with premium components, ensuring reliability and longevity. Its versatility in connectivity includes multiple digital inputs, analog inputs, and streaming capabilities, making it the ideal hub for a modern home audio system.

Each of these amplifiers embodies Harman’s commitment to innovation and quality sound, providing users with a range of options to suit any audio preference or environment. From the compact but powerful MA5000i to the high-end MA12000i, these amplifiers promise to deliver an exceptional audio experience, elevating the standard for home entertainment systems.