20W OCL power amplifier circuit

Published:2011/6/13 8:31:00 Author:Christina | Keyword: 20W, OCL, power amplifier | From:SeekIC

The circuit is as shown in the figure. The feature of the OCL power amplifier: the speaker is directly coupled with the output port of the amplifier. The circuit uses the positive and negative symmetrical power supply and the differential amplifier as the input port that can guarantee the zero DC potential, so it has good fidelity. The VT1 and VT2 can use the S3DG6 differential geminating tube. Figure The 20W OCL power amplifier circuit



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