The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
At the same time this kind of material is also the best material for high fidelity magnetic head, high performance magnetic amplifier.
同时这种材料也是高灵敏度保真磁头、高性能磁放大器元件的最佳材料。
Based on the analysis of vacuum tube slight variation equivalent circuit, a headphone amplifier is designed to drive high fidelity headphone.
以电子管微变等效电路分析为基础，设计了一款以驱动高保真耳机为目的的耳机放大器。
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