This power amplifier consists of a class A and class B amplifier stages. The class A stage is powered by a low voltage floating power supply, which is driven by the class B stage in accordance with the output voltage to prevent the class A stage from saturation. The overall power dissipation is reduced to a quarter of that of an ordinary class A amplifier.
Sano, Nobuya; Hayashi, Tomoyuki; Ogawa, Hidekazu
Affiliation: Stereo Department, Matsushita Electric Industrial Co., Ltd., Moriguchi, Osaka, Japan
AES Convention: 61 (November 1978) Paper Number: 1382
Publication Date: November 1, 1978
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