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NE5534 Preamp AC12V-0-AC12V preamplifier board
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About NE5534 Preamp AC12V-0-AC12V Preamplifier Board
product manual: The main filter capacitor is 6800UF/25V, and the electrolytic capacitor signal sub-loop is 680UF. The resistor uses a metal resistor to ensure a good signal-to-noise ratio of the whole machine. The PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and the whole process of tin-spraying ensures the good passing performance of the current. First-class PCB quality. The board layout is reasonable, beautiful, and the current is small. Circuit gain is 12 times. The right 220R resistor on the right side of the potentiometer can be changed to 470--1K to reduce the gain of the first stage. Basic parameters: PCB size: 136X96MM Voltage: AC12V-0-AC12V Packing: 1* NE5534 Front panel AC12V-0-AC12V
