See amplifier. The amplifier conducts current throughout the entire cycle (360º). The Class A design is the most inefficient and is used in low-power applications as well as in very high-end stereo.

The two salient facts about Class-A amplifiers are that they are inefficient, and that they give the best possible distortion performance. They will never supplant Class-B amplifiers; but they will ...

The HiFiMAN SERENADE Wireless DAC/Headphone Amplifier offers lossless streaming over Wi-Fi for $200 less than its predecessor ...

South Korean award-winning audio brand Astell&Kern has announced its new PA10 Class-A headphone amplifier for people who want the ultimate sound while on the move. Enhanced Astell&Kern’s own ...