输出功率太低，请求更换功放管。
The output power is too low. Require to replace power tubes.
然后对扭矩仪的电源部分进行了设计，并通过实验数据对功放电路的输出功率和变压器的传输效率的关系作了深入的研究。
Then the power circuit is designed. at last, with analysis of experiment data the relation of power output and transmission efficiency of transformer is researched in detail.
为了使开关电源很好地应用于音响功放，设计了一种开关电源输出功率检测电路，给出了电路的原理和具体实现方法。
This paper designs a kind of power detecting circuit of switch power supply used for audio power amplifier. It presents the principle and realization method of the circuit.
该功放具有工作频带宽，增益大，输出功率高等特点。
The wide frequency bandwidth, big gain, and high out put power were required.
人们在追求高保真度音频功放的同时，也希望功放有大的输出功率和高效率。
Nowadays, people emphasize high power and high efficiency as well as high fidelity feature of audio power amplifier.
人们在追求高保真度音频功放的同时，也希望功放有大的输出功率和高效率。
Nowadays, people emphasize high power and high efficiency as well as high fidelity feature of audio power amplifier.
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