sound amplifier

The electroacoustic performance of the export transformer is the key factor affecting the sound quality of the hi-end electronic tube power amplifier.

hi-end电子管功放音质优美绵厚，影响其音质的关键部件是输出变压器的电声性能，成为系统的喉舌。

New pre-amplifier of digital laryngeal sound figure instrument

数字式喉音图仪前置放大器的研制

Part of the output of an amplifier can be fed back to get rid of sound distortion.

放大器的部分输出可以进行反馈以消除声音的失真.

The article mainly elaborates the standardized design mentality of electric circuits which contain power source, double sound accompaniment, stereo, sound accompaniment power amplifier, interface circuit, and introduces their realization methods.

本文着重对电源电路、双伴音和立体声电路、伴音功放电路、接口电路等电路的标准化设计思路和实现方法进行论述。

Sound headphone also requires a quality amplifier just like a top-grade loudspeaker.

靓声的耳机就如同高级的喇叭,同样需要高素质的放大器来伺候.