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Keiga – ED-71

Amplifiers

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Extron – NetPA U 1004-100V

The Extron NetPA U 1004-100V is a Dante-enabled, ENERGY STAR qualified power amplifier that delivers four 100 watt channels in a half rack, 1U, plenum rated enclosure. With its integrated DSP, the NetPA U 1004-100V includes essential signal processing that offers the ability to meet the requirements of complex, decentralized systems while Dante Domain Manager and AES67 support ensure wide compatibility with enterprise configurations and other network audio devices. Exceptional thermal design provides the ability to install units without using rack spaces for ventilation, conserving precious rack space. The NetPA U 1004-100V is a highly efficient advanced Class D amplifier that features defeatable auto standby with fast wake up and our patented CDRS – Class D Ripple Suppression.

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AUDAC – MFA208

This revolutionary amplifier is designed as a two-channel amplifier using class D amplifier technology. It can be used for powering low impedance stereo systems with a maximum power of 2 x 40 Watt, while bridging to a constant voltage (100V and 70V) is possible with a maximum output power of 80 Watt. A switch-mode power supply allows a wide variation of mains voltages for global compatibility.

The integrated SourceCon™ module* slot allows the implementation of any available compatible module, offering a true all-in-one solution. Typical applications are the implementation of an audio streaming module or internet radio module. Additionally, a stereo line input allows connection for any kind of external audio sources.

A balanced mic/line input allows connection for an announcement microphone with compatibility for condenser microphones using the integrated phantom power supply (15V). A priority switch overrides the background music when enabled and compatibility with line-level sources (e.g. voice file players) is guaranteed by wide gain adjustment (0 dB ~ +50 dB). Thanks to the 2.8” TFT display and the push rotary dial on its front, an unmatched user experience is achieved.

The MFA series are both RS232, RS485 and TCP/IP controllable allowing implementation with home & industrial automation systems and peripheral devices. Using the freely available AUDAC Touch™ 2 application, control and configuration can be done from any portable or non-portable device on any location and at any time.

Desktop installation or mounting in an equipment rack using the MBS1xx series mounting adapters is possible. The half 19” rackspace enclosure allows single installation in a 10.5” equipment rack, or side-by-side (two devices) in a 19” equipment rack.

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Redx – Sapphire III

The Sapphire III is a four-channel audio power amplifier that provides 250W (4 ohms) output power per channel. It can also use bridge mode to provide 500W (8 ohm) two-channel output. Unlike Sapphire II, it adds the latest digital audio processing technology and support for Dante digital network audio transmission technology. The Sapphire III is a four-channel audio power amplifier that provides 250W (4 ohms) output power per channel. It can also use bridge mode to provide 500W (8 ohm) two-channel output. Unlike Sapphire II, it adds the latest digital audio processing technology and support for Dante digital network audio transmission technology. It uses the latest SSA Technology and digital audio transmission and processing technologies to create:
  • PSM phase modulation technology, zero crossover distortion
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  • Overall efficiency up to 90% ultra high
In the past 100 years, the audio power amplifier topology has undergone Class-A, Class-AB, Class-D, etc., but it has always been a compromise between efficiency and sound quality. Until today, SSA Technology has achieved Sapphire III's Class-A sound quality with 90% overall system efficiency with its advanced and precise audio modulation technology, single-stage power conversion, bi-directional energy recovery and soft-switching technology. Truly "efficient sound!" The application of the latest digital audio processing and transmission technology has enabled Sapphire III to achieve a new level of efficiency and sound quality. It is highly efficient, lightweight, reliable, and flexible, combined with its Class-A sound quality, making it widely used in system integration projects such as small entertainment shows and multi-purpose halls.
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