Large dynamic, low distortion full crystal triode three-stage differential power amplifier principle

DFN1006 TP-RCLAMP3321P ESD Diode Low Capacitance

High-power led lamp beads 1W white light Sanan 30mil high power LED lamp beads imitation lumens

In the previous paragraph, there was a popular "no-transient distortion double super linear power amplifier" in Japan. The front of the power amplifier tube used an operational amplifier integrated circuit. The operational amplifier integrated circuit was only about 20V, and the power amplifier tube was an emitter follower. Thus there can be only a few tens of watts of maximum undistorted power output on a 8 ohm load. Household enthusiast-grade amplifiers are best able to have an undistorted power output of more than 100W, and an undistorted voltage of about 30V is required on a load of 8 ohms. Therefore, the above power amplifier has the disadvantage that the dynamic range is small.
We know that high-end power amplifiers generally use discrete components. This is because although the power amplifier module can withstand voltages of several tens of volts, its conversion rate is much lower than that of discrete components, because the power amplifier module can achieve tens of volts. Withstand voltage, but its conversion rate is much lower than that of the power amplifier circuit of the discrete component.
To achieve a fever level, the power amplifier must achieve: large dynamics, low distortion rate, and high slew rate, as well as solving transient distortion and other problems. Of course, it must also be self-exciting and work very stably and reliably.