TDA2050 + TDA2030 2.1 Three-Channel Subwoofer Amplifier Board Finished Board 60W
The bass is powerful, and the high notes are not harsh. Using the chip as the new original: the default bass unit for 1 TDA2050-- output peak of 32W, dual channel unit for the 2 TDA2030-- output peak of 18W+18W. TDA2030, LM1875, TDA2050 can be completely interchangeable, if all replaced by TDA2050 or LM1875, please change to a larger heat sink. Power amplifier chip has five pins: positive power supply, negative power supply, forward input, reverse input and output. Chip heat sink and a cathode connected through electric work when the heat dissipation of the chip never and ground short circuit, or immediately burned out. Here is the board wiring diagram, please carefully control wiring.
Left and right channels: TDA2030Ax2, peak power: 18Wx2, the proposed use of 2.5-4 inch, 4-8 Europe 10-30W full frequency horn.
Bass output: TDA2050Ax1, peak power: 32W,, 5-8, 4-8, 30-50W.
Working power: AC double AC9-15V transformer, recommended for use with dual AC12V power over 30W above the transformer.
Output power: DC12V1.5A, power supply for 12V decoding board.
PCB material: FR-4 glass fiber board, thickness: 1.6mm.
PCB size: 135x60mm.
Radiator size: 100x33x37mm (length x width x height).
Potentiometer shaft center distance: 25mm, shaft diameter: 6MM.
PCB mounting hole spacing: x38mm (long) 128mm (wide).
Net weight: 230g.
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