User manual MASTER AUDIO DL1002 BROCHURE

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Manual abstract: user guide MASTER AUDIO DL1002BROCHURE

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[. . . ] Un filtro de red nos garantiza el cumplimiento de las directivas de compatibilidad electromagnética (EMC). 4REFRIGERACIÓN DEL CIRCUITO4El disipador está formado por hojas delgadas de aluminio. Esta construcción es muy eficiente debido a su elevada área de disipación y su reducción de peso. Si lo comparamos con otros disipadores convencionales, fabricados mediante extrusión, obtendremos un mejor control de la temperatura con un disipador de láminas. [. . . ] Los sistemas "Full range" y los transductores de alta frecuencia necesitan una actuación rápida, para una buena protección. La posición de actuación lenta es la más recomendable para altavoces de baja frecuencia. 4CORTOCIRCUITO4El circuito de protección controla que los transistores trabajen siempre dentro de su área de trabajo de seguridad (SOA). Los indicadores "Limiter" nos advierten en caso de cortocircuito a la salida de altavoces. Este dispositivo de protección no afecta a la calidad del sonido. 4DC EN LA SALIDA4La posibilidad de que un módulo dañado pueda entregar corriente continua (DC) a la salida y pueda causar daño a los altavoces, es impedido mediante condensadores electrolíticos de salida de alta calidad. First Class Performance and Features. In 1996, MASTER launched the DL Series amplifiers, designed to offer excellent sound and performance at a reasonable price. After five years of success, the second generation has arrived, incorporating improvements in both features and design. MAIN FEATURES 4SOFT START INCORPORATING BREAKER SWITCH4An effective circuit built into all DL Series models prevents current surge when the amplifier is switched on. The "on­off" switch incorporates a consumption limiter or breaker which serves to protect the system by avoiding unreliable mains fuses. A mains filter guarantees the fulfillment of EMC (electromagnetic compatibility) directives. 4SIGNAL / NOISE RATIO >100 dB4A feature all good amplifiers should incorporate. When a DL Series amplifier is not emitting any signal, its silence is its most distinctive feature. 4ELECTRONICALLY BALANCED INPUTS4For immunity to external noise interference. 4HIGH DAMPING FACTOR4The exclusive design of the power unit with no output relays ensures a high damping factor which results in outstanding performance in the low frequency woofers. 4SUBSONIC AND ULTRASONIC FILTER4The use of active filters which limit the amplifier's frequency response within the audible range prevents some serious speaker damages caused by oscillations due to a loose connection or a worn wire. PROTECTION SYSTEMS 4THERMAL PROTECTION4The NTC thermal sensors are located on each heatsink to give a precise temperature control. The airflow progressively increases against temperature. The limiter also acts as a protection device both varying the output power in relation to the optimal working temperature and at the same time protecting the unit in case of short-circuit. 4TWO OHMS OPERATION4The DL Series are designed to operate at low impedance in musical reproduction. However, it is not advisable to use the amplifier at full power or in fixed installations where the increase in consumption and temperature could trigger the thermal circuit cut-off or breaker switch. 4BRIDGE FUNCTION4A switch located at the rear panel 4SHORT-CIRCUIT4The protection circuit keeps the power allows the amplifier to add the signal from both stereo channels into one. When Bridge is selected it will light up on the front side. transistors working within their Safe Operating Area. The clipping indicator warns us in case of short-circuit at the speaker outputs. This protective device does not affect sound quality. 4PEAK / LIMITER4The careful design of the limiter circuit 4DC OUTPUT4The possibility that a damaged power unit allows a continuous optimization of the amplifier's performance. At any small distortion, the circuit gain is proportionally reduced, keeping distortion-free performance. Considering that distortion is the most common cause of loudspeaker damage, DL amplifiers prevent such problems and thus save money. Two internal switches permit the selection of fast or slow limiter release, depending on the desired application. The drivers and tweeters require fast release for proper protection while the slow position is the most appropiate for low frequency speakers. delivers direct current (DC) at the speakers output is avoided thanks to the high grade output electrolytic capacitors. Experience all the power and sound quality of: 4COOLING CIRCUIT4The heatsink is composed by thin aluminium sheets which provide a large dissipation area and a weight reduction. In addition, it gives a better temperature regulation in comparison with conventional units made by extrusion. [. . . ] 19" Rack 17 Kg Consumo a máx. power consumption 482 mm (A/W) x 416 mm (F/D) - 2 U. 19" Rack All specifications and features are subject to change without prior notice. [. . . ]

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