Coda Audio – Linus14D


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PNA-D4 is the latest product in Visionary’s new PacketAV™ line of network AV endpoints. It is a (4/8 ohms) per channel network amplifier with Dante™/AES67 input that is powered via POE+, no external power supply required. It is a robust unit suitable for industrial, commercial and Pro AV installations. The unit is inherently a network device allowing it to deploy easily and enable precise control of your sound. Four independent channels can be sourced using any Dante™ /AES67 audio on the network using Dante™ Controller software or other third party software. This unit is Class D to allow for efficient use of power.

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  • PSM phase modulation technology, zero crossover distortion
  • Single-stage power conversion is equivalent to the direct use of AC mains power, which is one level lower than traditional class D power amplifiers.
  • Two-way energy recovery system to improve power conversion efficiency and effectively reduce the speaker coil voice temperature
  • ZVS, ZCS Soft Switch Technology, Significantly Reduces Switch Heat, Further Improves Conversion Efficiency
  • 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. To date, SSA Technology has achieved Sapphire III BASE to Class-A sound quality levels with 90% overall system efficiency with its advanced and precise audio modulation technology, single stage power conversion, bidirectional energy recovery and soft switching technology. Really achieved "high efficiency and good voice!" Sapphire III BASE uses the latest digital audio processing and transmission technology, and targeted optimizations have been made. The efficient, reliable, and optimized application design, combined with its Class-A sound quality level, make it widely used in fixed installation systems.
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