MA-i Series Power Amplifiers Amplificateurs de puissance

Leistungsendstufen Amplificadores de potencia

 

 

3 Operation

3 Utilisation

3.4Front Panel Controls and Indicators A. Grille.

B. Volume Control: Precision detented at- tenuator with 21 steps, press-and-hold mute function.

C. Signal Indicators: One green LED per chan- nel.

Solid green: Input signal is above –40 dBu.

Bright green flash: Channel’s output signal has reached the onset of audible clipping.

D. Ready Indicator: Green LED, one per chan- nel.

On (bright): Ready.

On (dim): Onset of compression.

Off: Thermal failure.

E. Volume Control LED Ring: A ring of green LEDs around each volume control shows the position of the control. Entire ring flashes when channel is muted. Can be configured using System Architect software to be an output level meter.

F. Power Indicator: Blue LED indicates amplifier has been turned on and AC power is available. The LED will flash when the AC line voltage is 10% above or below the nominal rated value.

G. Bridge Mode Indicator: Amber LED illuminates when the amplifier is set to Bridge-Mono mode.

H. Data Indicator: Yellow LED indicates network data activity. Data indicator flashes only when the amplifier is polled for data, or is polled to see whether it is online

I. Power Switch: Push-on/push-off switch with built-in green AC mains present indicator.

3.4Commandes et indicateurs du panneau avant

A.Grille.

B.Réglage du volume : Atténuateur à crans d’atténuation précis avec 21 étapes, fonction muette par bouton poussoir.

C.Indicateurs de signal : Une DEL verte par canal.

Vert de Chine : Le signal d’entrée est supérieur à –40 dBu.

La DEL verte vive clignote : Le signal de sortie du canal correspond au début de l’écrêtage sonore.

D.Indicateur prêt : Une DEL verte par canal.

On (couleur vive) : Prêt.

On (faible) : Début de la compression.

Off : Défaillance thermique.

E. Anneau DEL réglage du volume : Un anneau

de DEL vertes autour de chaque réglage du volume illustre la position du réglage. L’anneau complet clignote lorsque le canal est en position muette. Possibilité de conversion en hypsomètre.

F. Indicateur de puissance : Le DEL bleue indique la mise sous tension de l’amplificateur et la disponibilité du courant alternatif. La DEL clignote lorsque la tension de ligne de c.a. est supérieure ou inférieure de 10% à la valeur nominale.

G. Indicateur de mode Pont : La DEL ambre s’allume lorsque l’amplificateur est réglé sur le mode Pont-Mono.

H. Indicateur de données : La DEL jaune indique l’activité des données du réseau. L’indicateur de données ne clignote que lorsque l’amplificateur est invité à émettre des données ou s’il est invité à confirmer s’il est en ligne.

I. Interrupteur d’alimentation : Bouton- poussoir de commande avec indicateur de présence du secteur vert intégré.

A

B

C

D

E

F G H

I

Figure 3.1 Front Panel Controls and Indicators

Figure 3.1 Commandes et indicateurs du panneau avant

 

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Operation Manual Mode d’emploi Bedienungsanleitung Manual de Operación

Page 18
Image 18
Harman MA9000i, MA12000i, MA5000i operation manual Operation Utilisation, Ready Indicator Green LED, one per chan- nel

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.