MA-i系列 功率放大器

Amplificateurs de puissance Power Amplifiers Amplificadores de potencia

3 Operation

3 Utilisation

3.4 Front 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 converted to be a 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 indica- tor.

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’amplifi cateur 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’amplifi cateur 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’amplifi cateur 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

seite página

page 18

Operation Manual

Mode d’emploi

操作手册 Manual de Operación

Page 18
Image 18
Crown Audio MA-12000i, MA-9000i Solid green Input signal is above -40 dBu, Ready Indicator Green LED, one per chan- nel

MA-12000i, MA-9000i, i Series, MA-5000i specifications

Crown Audio is a renowned name in the professional sound industry, known for pushing the boundaries of audio engineering. Among their distinguished lineup, the MA series provides a powerful solution for audio amplification in various settings, including live performances, installations, and broadcast applications.

The Crown Audio MA-5000i is a robust amplifier specifically designed to deliver high output power and exceptional audio fidelity. With a power rating of 5000 watts, it is capable of driving large sound systems with ease. A notable feature is its i.Series technology, which integrates advanced DSP (Digital Signal Processing) capabilities, allowing users to customize settings, apply crossovers, and utilize EQ adjustments to enhance the audio experience. The MA-5000i also includes an intelligent cooling system, which ensures the amplifier operates efficiently even under heavy loads, providing reliability for long-term use.

Next in the lineup is the Crown Audio MA-9000i, packing a punch with its 9000-watt output capability. This model stands out due to its dual-channel architecture, enabling users to deliver performance to multiple speakers or zones without compromising sound quality. The MA-9000i features an impressive input sensitivity adjustment, allowing for seamless integration with various audio sources. Also, like its predecessor, it comes with comprehensive DSP processing tools that facilitate real-time monitoring and adjustments.

Crown's MA-12000i takes it to the next level with a staggering output capacity of 12,000 watts. This amplifier is engineered for the most demanding audio environments, offering not only power but also outstanding thermal management to maintain performance stability. The MA-12000i employs the patented G0600 output technology, which enhances overall efficiency, reducing heat and prolonging the lifespan of the equipment. Its advanced feature set includes selectable high-pass and low-pass filters, which aid in crafting the perfect audio profile for varying applications.

All models in the MA series share the same commitment to durability and quality. Constructed with high-grade components, these amplifiers are designed to withstand the rigors of touring and installation. The intuitive front panel with clear meter displays and ergonomic controls ensures ease of use for audio professionals. Additionally, built-in network capabilities allow for remote monitoring and control, facilitating a seamless integration into modern audio setups.

In summary, the Crown Audio MA-5000i, MA-9000i, and MA-12000i amplifiers exemplify the pinnacle of audio technology, catering to a wide range of professional applications while ensuring exceptional sound quality, reliability, and performance.