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Linnenberg udc1 USB DAC
Linnenberg來自德國，全世界採工廠直營方式，節省了代理商與經銷制度的開銷，直接反應價格回饋給消費者，該公司最新推出的udc1 USB DAC，定價歐元1260，上市特價歐元890。
udc1為USB 2.0 high-speed (480Mbit/sec)介面，可支援到192 kHz/ 24bit，其電源是獨立非常充沛，非靠USB供電(5V, 500mA)，DAC晶片方面為PCM1794A，與自家的cdp3E CD Player相同，類比採用動差A類，使用來自ZETEX與Analog Devices的元件，電壓整流使用來自Linear Technology的產品，超低噪音(20uV)。只有1組平衡類比輸出，無RCA。
全部無使用opamp，並為零迴授。
No opamps. Zero feedback. Just music.
http://www.my-hiend.com/leoyeh/2011a/UDC1_1.gif
http://www.my-hiend.com/leoyeh/2011a/UDC1_Inside.gif
http://www.my-hiend.com/leoyeh/2011a/UDC1_Rear.gif
Features:
- USB 2.0 compatible input
- Jitter free asynchronous data transfer (udc1 as master)
- Bit transparent drivers for Mac and PC operating systems
- Precision master 3ps crystal oscillator
- 24bit/192kHz Burr Brown digital - to - analogue converter
- True class A, fully discrete analogue circuits with zero negative feedback
- Ultra short signal path
- Balanced analogue outputs with PCB-mounted gold-plated Neutrik XLR sockets
- High current output stage
Specifications:
Frequency response: 1Hz - 24kHz +0.1dB -0.5dB
Distortion and noise:<0.01% 10Hz - 20kHz at -10dB
Output level:4V rms balanced
Output impedance:150 Ohms
Mains voltage:115V, 230V factory set
Dimensions (H x W x D):55 x 165 x 224 mm
www.linnenberg-audio.de
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看着线路感觉不错，但这种没代理商的产品发烧友没听过会买吗？
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