ARC'S Reference DAC is not a story of two halves but a tale of three thirds - S/PDIF, USB and network streamed audio. All measurements were conducted at '77' on its 104-step volume, equivalent to 4.15V at OdBFs via the balanced (XLR) output. Since our last ARC USB DAC [DSPre, HFN Aug '12] the company has upgraded its PC driver from vi.25 to v1.33 but the USB mode still follows the same linearity trend down to -9OdBFs whereupon the signal is truncated, limiting resolution to about 15-bits.
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机译：ARC的参考DAC并不是两个半的故事，而是三个三分之二的故事-S / PDIF，USB和网络流音频。所有测量均以104步的体积在“ 77”进行，相当于通过平衡（XLR）输出在OdBF上达到4.15V。自从我们上一个ARC USB DAC [DSPre，HFN Aug '12]以来，该公司已经将其PC驱动程序从vi.25升级到v1.33，但是USB模式仍然遵循相同的线性趋势，下降到-9OdBF，因此信号被截断，从而限制了分辨率约为15位。
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