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电子管和场效应晶体管组合的高级音响功率放大器被称为现代理想音响电路的代名词。其电路简洁、安装调试简便、成本低廉,对发烧友来说是件难得的好事。为此,笔者也曾按有关电路打造了几款,确有出声不凡的特点。正象一些专家所说:“球石风味两相济,动人心弦消人魂”。本文推出的这款胆石混合放大器,由于后级采用对称推挽电路,所以输出级不需用互补型功率器件,具有放大器件特性一致,选择自由,配对容易的优点。
Advanced Audio Amplifier, a combination of tube and field-effect transistor, is known as the synonym for modern, ideally sounding circuits. The circuit is simple, easy installation and commissioning, low cost, is a rare good thing for enthusiasts. To this end, I also have to create a few related circuits, there are indeed extraordinary features. As some experts put it: “Spherical flavor of two-phase economy, moving heart to eliminate the soul.” Because of the symmetrical push-pull circuit in the latter stage, the output stage does not need complementary power devices, and has the advantages of consistent amplification characteristics, freedom of choice and easy pairing.