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Cyrus Audio
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Overview
The NA3 HiFi Wireless Access Point is a HiFi network device based on the CelHeart-A1 architecture. It features a fully linear-powered ARM platform where all CPU, network, and IO components natively utilize the CelCLK II PLL system for unified clock synchronization. The wireless module supports 2.4GHz 802.11n 2×2 MIMO technology with a maximum data rate of 300Mbps, sufficiently meeting the requirements for music browsing and control. Additionally, through specialized optimizations to the WiFi functionality, it further enhances the quality of both local and network-based music playback.
The NA3, leveraging the CelHeart-A1 architecture, provides a fully LDO power supply platform composed of 11 LDOs. This platform natively uses a unified PLL to supply clocks for the network, CPU, and IO interfaces, offering an infrastructure specifically designed for HiFi applications. Based on this architecture, the NA3 implements wireless access point functionality, helping users further enhance sound quality.
NA3 : 802.11n 2T2R with a maximum speed of 300Mbps, providing a 10/100/1000M auto-adaptiv Ethernet port.
NA3S : 802.11n 2T2R with a maximum speed of 300Mbps, providing three 10/100/1000M auto-adaptiv Ethernet ports, two SFP 1000Mbps ports, and supporting the SFP_CTL.
http://www.celaudio.com/na3-en.html
The CelHeart-A1 architecture is based on the ARM platform and adopts fully linear power supply. All clocks, including those for the CPU, are uniformly provided by the CelCLK II PLL system. The A1 architecture is a pre-designed ARM functional module. According to different product requirements, the A1 ARM functional module is deployed on the same circuit board as the actual business functions (for instance, the NA3 deploys A1 together with the wireless module), thus meeting the product functional and sound level requirements.
Fully Linear Power Supply with Ultra-Low Operating Noise
Linear Power Supply
The A1 architecture uses 11 linear power management chips, with full linear power supply for CPU, memory, eMMC storage, network, I/O, and PLL. The ARM used in this architecture—T113-S4—has performance and hardware configuration fully meeting the needs of applications like bridges, routers, and wireless APs. Its automotive-grade design for vehicle applications meets harsh environmental requirements, is highly friendly to HiFi’s fanless requirements, and hardly causes sound quality degradation due to thermal noise.
Linear Power Supply
The A1 architecture uses 11 linear power management chips, with full linear power supply for CPU, memory, eMMC storage, network, I/O, and PLL. The ARM used in this architecture—T113-S4—has performance and hardware configuration fully meeting the needs of applications like bridges, routers, and wireless APs. Its automotive-grade design for vehicle applications meets harsh environmental requirements, is highly friendly to HiFi’s fanless requirements, and hardly causes sound quality degradation due to thermal noise.
Native PLL and Full Common-Source Clock Design
A1 Clock Design
As the native clock system of the CelHeart-A1 architecture, CelCLK II PLL coexists with the A1 architecture. All clocks for the CPU, network, etc., are uniformly supplied by CelCLK II, which can also receive external 10MHz clock signals, offering unlimited possibilities for the sound quality of the A1 architecture.
A1 Clock Design
As the native clock system of the CelHeart-A1 architecture, CelCLK II PLL coexists with the A1 architecture. All clocks for the CPU, network, etc., are uniformly supplied by CelCLK II, which can also receive external 10MHz clock signals, offering unlimited possibilities for the sound quality of the A1 architecture.
“Acoustic Signature” Tuning Methodology Of CelHeart-A1
A1 Acoustic Signature
A1 Acoustic Signature
Since CelHeart-A1 is applicable to various end-device forms, it must not impart excessive sonic characteristics. Beyond thorough technical considerations, the selection of special components is exercised with extreme caution. Instead of using audio capacitors, it employs a large number of surface-mount film capacitors that introduce no side effects, specifically chosen to enhance sound vitality and micro-dynamic performance.
The locking torque of power cables can flexibly adjust sound characteristics. Upholding the consistent design philosophy of CelAudio since the end of 2022, CelHeart-A1 employs brass-tinned serrated screw crimp connectors for all power plug-ins. These connectors, after precise manual calibration of in-line locking torque using TOHNICHI torque screwdrivers, effectively adjust the balance between sound relaxation and vitality, ensuring the universal applicability of CelHeart-A1 across all product forms.
For more information:
- Contact : Dicky Ng 012-3308893
- Contact : John Yew 016-2861000
- Email : [email protected]
| Weight | 6 kg |
|---|
Specification
-WiFi : IEEE 802.11n 2*2 MINIO，300Mbps，2.4GHz
-Clock Input : 10MHz，BNC * 1，0.6V RMS（Wave/Square Wave）
-Network : RJ45 * 1，10/100/1000M auto-adaptiv（NA3）
RJ45 * 3，10/100/1000M auto-adaptiv，SFP*2 1000M SGMI/1000BaseX（NA3S）
-USB : USB2.0*1，Management Interface，USB Audio Support
-Power Input : 110/220V AC，fuse 5*20mm，1A，slow-blow
-Size（W*D*H）: 360mm * 213mm * 88mm
-Weight : 4.5Kg
* The AP module and switch module of NA3S require an external network cable connection
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