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时间:2014-05-26 05:19 | 作者:Hida | 文章来源:【Hi-Fi粉丝团】 | 点击次数:800次
Hi-Fi粉丝团,hififn
ADL(Alpha Design Labs)新发表的随身型DAC耳放 ADL A1,能够支持DSD(2.8M/5.6M),可搭配Android行动装置,也可以USB连接(传输最高24bit/192kHz),DDC(光纤输出输入最高 24bit/192kHz)。台湾预定4月下旬或5月上旬到货。
有些数字爱乐者要求够小、容易携带的DAC和耳放,因为他们使用时常常都在移动中。另外也有人要求要够高的灵活性,能够很轻易的搭配任何数字装置,并且获得够水准的声音质量。而ADL便是以同时满足这两个要求设计出ADL A1。
ADL A1是一个高水准表现的携带型DAC耳放,可使用在Android装置上,就如同过去ADL的X1一样。但更进一步的是ADL A1还具备在PC或MAC上处理DSD文件的能力,这使得用家不仅能在外出时搭配优秀的耳机得到好的音质,还能够在家中使用电脑来聆听更高水准的DSD音乐文件。
ADL A1的体积并不大,但是它配备的连接功能却十分丰富,使用上灵活性十足:
*可使用USB连接电脑传输音乐并且充电(USB A to micro-B type)
*经由OTG线材的USB连接Android音乐装置
*3.5mm的光纤输出(DD转换器)
*3.5mm耳机输出插孔(12~300 ohm)
*USB2.0高速传输DSD(2.8M或5.6M)或8~192kHz采样频率资料,状态会显示于前面板的LED灯号上
*输入可切换为USB-A、USB-mini B和光纤
携带式装置很重要的电池续航力,A1内建可充电式锂电池,当ADL A1充满电力时可连续使用7.5个小时,重新充满电力则需要5到5.5个小时。
内部的DAC芯片使用CIRRUS LOGIC CS4392K 24bit/192kHz (可接收PCM和DSD资料),控制器支持ASIO和非同步模式,USB2.0可高速传输DSD 2.8M或DSD 5.6M以及44.1~192kHz的采样频率资料。
使用TEXAS INSTRUMENTS的TPA6130A2立体声耳机扩大芯片,SNR为98dB。OP AMP使用TI-LME49726高电流、低失真运算放大器。最大耳机输出为80mW(12 ohm),70mW(16 ohm),65mW(32 ohm),38mW(56 ohm),9mW(300 ohm)。
充电时间为1.约7小时(DC 5V, 0.5A USB bus power),2.约5~5.5小时(AC/DC 5V, 1.0‐2.0A switching adaptor),使用时间超过7.5小时。
Size: 68(W) x 118(D) x 16.5(H)mm
Weight: 150g approx
*Applicable Android devices as of 2013 and 2014:
SONY ‐‐‐ Xperia Z.Xperia Z1.Z1 Compact ( Xperia Z1f ).Xperia A (Xperia ZR).Xperia Tablet Z.Xperia V
SAMSUNG ‐‐‐ GALAXY Note3.GALAXY Note II.GALAXY S4.GALAXY S3.InFocus IN810
HTC (Android 4.2) ‐‐‐ J butterfly.J One.butterfly New One
Features
• Supports DSD64 (2.8MHz) and DSD128 (5.6MHz)
• Digital inputs for Android, PCs, Optical (Optical out supports Android digital signal)
• DD Converter (3.5mm TOSLINK optical output)
• High‐performance 24‐bit/192kHz DAC chip
• supports ASIO and Asynchronous mode
• Low Jitter
• Fits in the palm of your hand
• Enjoy music anywhere, on your desk or on the go
• Doesn’t draw power from connected Android Device battery
Connectivity
• USB Mini‐B socket: For USB A output from a PC/MAC for music and to charge battery
• USB A socket : For Android Device music output via OTG cable (USB A to micro‐B type)
• Optical and Analog out : Combined 3.5mm phone jack for Analog out and mini optical jack for optical output (24bit/192kHz Max.)
• A second 3.5mm phone jack for headphone output (12~300 ohm range)
(When using both 3.5mm headphone Analog out jacks simultaneously it is advisable to use near impedance headphones)
• Optical Input: For digital signal from external device (24bit/192kHz Max.)
• Line input : 3.5mm(4‐pin) phone jack for analog input (switched/When headphones are plugged in there is no Android signal output)
• Switchable between USB‐A input (Android /Line in), Optical Input and USB‐miniB (PC/MAC)
Technical Specifications
• High‐performance CIRRUS LOGIC CS4392K 24bit/192kHz DAC chip (accepts PCM data and DSD audio data )
• Controller supports ASIO and Asynchronous mode
• VIA VT1736 32bit/192kHz USB chip ,USB 2.0 High Speed compliant accepts DSD 2.8M or 5.6M signal & 44.1 /48 /88.2 /96 /176.4 /192 kHz
sampling rates supported
• TEXAS INSTRUMENTS TPA6130A2 Headphone Amplifier chip ‐TPA6130A2 high fidelity Stereo Headphone Amplifier with an SNR of 98 dB
• OP AMP: TI‐ LME49726 High Current, Low Distortion, Rail‐to‐Rail Output Audio Operational Amplifier
• Max Headphone Output Levels (at 1%THD 1KHz) : 70mW(12 ohm), 80mW(16 ohm), 65mW(32 ohm), 38mW(56 ohm), 9mW(300 ohm)
• Charge Time: approximately 7 hours approx. (DC 5V, 0.5A USB bus power)
• Charge Time: approximately 5~5.5 hours approx.(AC/DC 5V, 1.0‐2.0A switching adaptor)
• Music Playback Time: Up to 7.5 hours when fully charged
ADL官网:http://www.adl-av.com
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