SRPP tube preamplifier circuit diagram
Source: InternetPublisher:小胖友 Updated: 2017/11/18
The SRPP preamplifier works in a Class A state. For example, when the power supply B + high voltage is 200V, the voltage between the upper and lower screen cathode stages is half of the power supply voltage, that is, 100V, and the circuit will reach an automatic balancing state. Comparison of distortion between SRPP tube preamplifier and parallel-type preamplifier.
Comparison of frequency response between SRPP tube preamplifier and parallel-type preamplifier.
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