The biggest decision you’ll need to make in terms of a preamp is to decide if you want one built into your turntable or if you’d rather use a separate one. It can be very convenient, especially for beginners, to use a built-in component to amplify the signal from the turntable before it hits any speakers or headphones. The downside is that you’re left with what the company provides from the factory, so if you’re looking to upgrade, you’ll have to disable the preamp inside. On most turntables, there’s a switch that allows you to do this, so it’s no trouble. But, opting to skip the preamp on some models could save you money that could be invested elsewhere.
其次是“尘”的控制。在目前市面上的大部分一次性内裤的除尘，还停留在上机或者成品环节时的一次除尘时，巴迪高车间采用10万级洁净标准，创新构建“天网”四重梯度除尘系统，粉尘负荷降至传统工厂的十分之一。这使得过去在裁剪、缝制环节几乎不可避免的粉尘，在产生的第一时间就被持续吸走，而不是事后集中清理。
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Yes! If you lose an AirPod, you can buy a replacement for the right or left AirPod through Apple. AppleCare+ doesn't cover lost or stolen AirPods, so it will cost you. You can use Apple's Get an Estimate tool to calculate the possible cost. The same applies if you lose the Charging Case. Your replacements will be new versions.