124 GUIDE - amplifiers
DENON PROFESSIONAL | DN-A300M
www.d-mpro.com
Like its renowned predecessor, the PMA-100A - a long time favourite with commercial installers - the new DN-A300M from Denon Profes- sional offers a high quality integrated control solution for small installations, with improved mic mixing functionality and increased amplifier power. The DN-A300M provides classic Denon sound and build quality and features a mic input mix with auto gain control, with 100W per channel of power amplification. A 1⁄4-inch / 6.35mm jack mic input and level control enables a microphone signal to be mixed with an extensive array of switchable input sources. Switchable mic on / off, mic auto gain control, and music auto mute control enable reduction or muting of music input programme material when using a microphone. LED indicators show on / off status for the mic mix, auto gain control and music mute functions. Selectable A / B speaker circuits are supported, switchable from a front panel control, with LED indicators show- ing which circuit is active. Extensive IR remote control of functions is provided from the supplied handset and optional rackmounting with the supplied mounting brackets.
DURAN AUDIO | PB400 & PB800
www.duran-audio.com
AXYS IndustryAmp PB400 & PB800 are multi channel power amplifiers are intended for use in distributed 70V / 100V professional audio installations. The PB800 has eight channels (100W per channel) of amplification whereas the PB400 has four channels (250W per channel). Both the PB400 and PB800 are supplied with two line level inputs and eight digital inputs via CobraNet. A digital signal processor unit controls the amplifier units. The DSP software provides various functions in order to attenuate, delay, equalise, filter, compress or limit the separate audio signals for all individual output channels, or perform special algorithms necessary for dedicated active array control. All software is stored in non-volatile memory, enabling the unit to start up and operate autonomous without host control unit. Audio AD and DA conversion is performed by high performance 18bit 50K sample converters. All power-amplifier outputs are equipped with high-grade toroidal output transformers to provide 100V / 70V / 50V outputs. The amplifiers have full surveillance monitoring including: pilot tone detec- tion; load monitoring on each output; amplifier functionality; and DSP status. All possible reported failures can be mapped onto a dedicated failure relay. The PB400 is also available with low impedance outputs if required, PB400LI.
DYNACORD| DSA SERIES
www.dynacord.de
Innovative Dynacord technology, exemplary flexibility, very high output with an extremely good efficiency and integration into IRIS-Net networks. The multi-channel DSA 8405 / 8410 / 8805 power amplifiers are a milestone in the design and production of high-powered instal- lation power amplifiers. Each channel can be switched individually to provide 500W respectively, 1000W at either two ohms, four ohms or to drive 70 Vrms or 100 Vrms loudspeaker lines directly without an output transformer. In combination with the RCM-810 module the user can configure these amplifiers under IRIS-Net using the Variable Load Drive (VLD) to provide any output power in the range of 100W to 500 / 1000W per channel (1W increments) at any load in the range of two ohms - 10 ohms (0,1 Ohms increments). The Phoenix input connectors are electronically balanced. Phoenix connectors are also provided for the power outputs. The Power Remote connector makes the task of remote controlling the power amplifier as well as switching it on and off simple. For further remote-supervision and control possibilities and integration into IRIS-Net networks, an optional remote control module (RCM-810) is available.
ECLER | NZA SERIES
www.ecler.es
The new NZA multi-channel amplifier series responds to the present demands regarding remote management and systems integration. Thanks to its DSP module and its integrated Ethernet interface, these amplifiers turn into a powerful tool for signal processing, amplification and remote management, allowing the user to create centralised systems, distributed or hybrid, offering more flexibility to the installer or designer and reducing dramatically the cabling installation costs. The NZA range includes six models, of four or six channels and different powers, from 80W to 700W per channel. All of them feature convection cooling (fan less), being absolutely silent and suitable for its installa- tion in the most demanding environments in terms of background noise. The NZA series can integrate in the increasing range of products compatible with the EclerNet network, being the EclerNet Manager software application its programming and remote control tool, being able to control and supervise the system within a corporate LAN network or even from a remote DSL connection. Additionally, the TP-NET communication protocol, which is integrated in the NZA and also in the NPA and MIMO88 devices, enables our NZA multichannel ampli- fiers to be remotely controlled via Ethernet by third-party control systems, like Crestron AMX, Extron, RTI, Vity, and Medialon.
www.mondodr.com
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