下面我按层次来介绍。先讲我造的那些工具，再讲支撑它们运行的基础设施，最后聊几点这一年折腾下来的想法。
For all of our test units that didn’t have a built-in preamp, we used the Fluance PA-10. At $100, it’s an affordable upgrade if you’re looking to bypass a turntable’s included components or if you’re looking to go more analog with your turntable purchase. There are no buttons or controls, just connect your turntable, speakers and ground wire (if you’re using one) and you’re ready to go. It’s simple, straightforward and inexpensive, so it’s a great option for beginners and more experienced vinyl collectors alike.。PDF资料是该领域的重要参考
A short verbal debrief before anything written, because the conversation matters more than the document. And leading with the one thing that surprised me most — not the longest list, the most important finding.，更多细节参见Line官方版本下载
Entertaining companion app。PDF资料对此有专业解读
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