It called the preamplifier or preamp.
它被称为前置放大器或前置放大器。
The parts that were changed in the preamp itself.
这些部件被改变放大器本身。
The Phoenix as a preamp is far exceeding my expectations.
凤凰作为前级远超过我的期望。
As a preamp it is at least as good as any $3000 preamp I've ever heard.
作为前级它最少可以比美我听过的任何3000美元的前级。
Without a preamp, the soft mute can sometimes mask extremely weak signals.
没有前置放大器，软静音，有时面具极其微弱的信号。
We are effectors& effector s as well as acoustic guitar preamp& magnetic pickups.
扩音器、效果器及木吉他前置音箱和磁性拾音器的制造商。
Can I change the preamp cathode or plate resistors to change the gain or tone of my amp?
通过改变前置放大级的阴极电阻或者屏极电阻，是不是就可以改变增益或者音色？
Therefore chosen as a low-noise NE5532 preamp can be a very good noise suppression device itself.
因此选择了NE5532作为低噪声的前级放大，能够很好的抑制器件的本身噪声。
Any noise characteristic of the preamp circuit is attenuated along with the signal, unlike circuits where the volume control is before the input.
与一些音量控制置于输入端的电路不同，这个前级放大器的特征噪声能够随同信号一起衰减。
One source of confusion, however, was the toggle switch, which we had to move to the microphone setting (which includes a preamp) for proper operation.
然而，混乱的根源之一是拨动开关，这是我们不得不麦克风设置适当的操作（包括前置放大器）。
The CCD signal preamp with low pass filter is used to minimize the readout noise. The relationship between the readout noise and the readout speed is researched.
通过使用带低通滤波器的前置放大器降低了读出噪音，研究了读出噪音与读出速度的关系。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
将静电计置于电压模式，然后打开外部反馈，就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
将静电计置于电压模式，然后打开外部反馈，就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
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