Single-end power amplifier made with 6N7P electronic tube ----- 6N7P Power Amplifier

Single-end power amplifier made by 6N7P electronic pipe, 6N7P Power Amplifier Keywords: single-ended power amplifier made by 6N7P electronic pipe Single-end power amplifier made by 6N7P electronic pipe Author: Zhong Wenxiang The 6N7P-based cathode double triode with excellent performance, which can be used for both the negative gate bias voltage amplification, or the zero gate bias power amplification, the internal resistance is low, the magnification coefficient is high, and it is a treasure in the small power triode. 6N7P filament voltage 6.3V, current 800mA; Anode voltage 300V: The screen consumption is up to 6W. The interior is parallel, in the screen pressure 300V, the screen stream is 35mA, and the output power of about 4W is maximized. When used as amplifiers, its tone has a density, unique. The motor circuit is as shown in the drawings, and the forefront special five-poby 688p is used for electric pressure. The promotion grade is served as a single tripode 6C5P (6C2C), which is equivalent to half only 6N8P; the last level 6N7P is working in zero gate pressure; 6C5P gate material Pressure to -8V; 688P gate pressure is -1.5V (the illustration work point is for reference only). Due to the difference in discrete differences in each tube characteristic curve, the debug should be treated separately, and ensure that the adjustment is adjusted to the optimal state.

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